1
Q
In a sawmill set-up that part of carriage used to control the depth of cut during sawing.
a. dog
b. setworks
C. trimmer
d. can’t hook
A
setworks
2
Q
What is the density of a wood weight of 200 kg having a volume of 20cu.m.
a. 100 kg/cu.m.
b. 1 kg/cu.m.
c. 10kg/cu.m.
d. 0.1 kg.cu.m.
A
c. 10kg/cu.m.
D = W/V
3
Q
Early days of logging is best characterized as waste fuel but nowadays, the situation is reused due to the following:
I. Wood waste goes to mill or factories for remanufacturing
II. Use of more efficient equipment/machine in processing
III. Proper wood handling
IV. Proper disposal of wood waste
a. Il, Ill and IV
b. I, Il and IV
C. I and ll
d. I, Il and Ill
A
d. I, Il and Ill
(Wood waste are reused not disposed anymore)
4
Q
As Forester, what do you think is the main purpose of discovering the economic use of the lesser use species in the forest.
a. Biodiversity conservation
b. industrialization of the country
c. Sustainable development through maximization of benefit derive from forest resources
d. Educational purpose
A
c. Sustainable development through maximization of benefit derive from forest resources
5
Q
A 1/4 x 4’x 8’ plywood contains how many bd. Ft.?
a. 8 bd. ft.
b. 32 bd. ft.
c. 16 bd. ft.
d. 4 bd. ft.
A
a. 8 bd. ft.
6
Q
A polysaccharide of repeating glucose molecules in wood.
a. tyloses
b. cellulose
c. extractives
d. lignin
A
b. cellulose
7
Q
An index of the amount of wood substance a piece contains
a. texture
b. specific gravity
c. strength index
d. mass index
A
b. specific gravity
8
Q
Species and specific properties are common as basis of determining suitability for a particular piece of work. This is one way of determining .
a. proper utilization of wood
b. maximization of the use of wood
c. sustainable use of wood
d. adhere to the customs and tradition
A
a. proper utilization of wood
9
Q
An equipment use to debark a log before it is manufactured into lumber is called
a. peeler machine
b. scruber mill
c. roller mill
d. scraper
A
d. scraper
10
Q
One of the consideration in determining the commercial use of a wood.
a. demandibility
b. affordability
C. workability
d. physical properties
A
d. physical properties
11
Q
It is an important properties of wood which determine the deflection of flexural members and control the bucking of compression members.
a. modulus of elasticity
b. breaking point
c. modulus of rapture
d. tensile stress
A
a. modulus of elasticity
12
Q
Growing restriction on fresh water use and waste water emission are bringing change to paper making process that could lead to significant effect in
a. the closure of paper mill
b. reduction on the paper
C. loss of customers
d. reduction of productivity and paper quality
A
d. reduction of productivity and paper quality
13
Q
Known for its medicinal value and food supplement.
a. neem tree
b. yakon
c. dita
d. jatropa
A
b. yakon
14
Q
Cork is one minor forest products that is obtained from the outer bark of tress under the genera.
a. cacia
b. quercus
c. abstonia
d. dipterocarpus
A
b. quercus
15
Q
As applied to lumber, the size by which allowance for shrinkage is given
a. nominal size
b. under size
c. binomial size
d. oversize
A
a. nominal size
16
Q
A woody plant use for food and with medicinal value.
a. lagundi
b. malunggay
c. ampalaya
d. banaba
A
b. malunggay
17
Q
Which of the given species of wood belong to the Fagaceae Family
I. Mt. Apo Oak
II. Ulaian
III. Pagatpat
IV.Mankono
a. I and ll
b. IIl and IV
c. I and Ill
d. Il and IV
A
a. I and ll
18
Q
Temperate wood species usually have a very distinct growth ring because it is influence by
a. La Niña
b. four distinct seasons
c. temperature condition
d. El Niño
A
b. four distinct seasons
19
Q
Which of these factors have least influence in the impregnation of timber by preservatives?
a. species of wood
b. anatomy of wood
c. preservative us
d. preparation of timber
A
d. preparation of timber
20
Q
Medium and moderately high specific gravity woods are the most preferred wood for
a. furniture
b. run way ties
c. mind timber
d. poles and piles
A
a. furniture
21
Q
The following are considered defects in round logs caused by fungus. EXCEPT one
a. sporing
b. decay
c. red heart
d. blue sap stain
A
c. red heart
22
Q
This wood has a bitter taste.
a. almon
b. red lauan
c. mayapis
d. batino
A
d. batino
23
Q
If the density of the species is 340 kg/cu.m., find the weight of 12 cu.m.?
a. 4,080kg
b. 40,080 kg
c. 408kg
d. 40.8kg
A
a. 4,080kg
24
Q
Plywood is an offshoot of the ancient art of veneering which dates back more than three thousand years as proven by:
a. Veneered furniture has been found in the tombs of the pharaohs
b. Veneered furniture was already introduced during the Medieval age
c. Japan Emperor used veneered plywood in the 6th century
d. Plywood has already been used by the Roman Empire
A
a. Veneered furniture has been found in the tombs of the pharaohs
25
It is the average dimensional change - shrinking as expansion which can be expected in response to atmospheric or environmental humidity.
a. modulus of elasticity
b. deflection
c. none of these
d. linear expansion
c. none of these
26
One consideration in the choice of wood furniture making.
a. high density
b. high specific gravity
c. light in weight
d. kiln dried
b. high specific gravity
27
A thin sheet of wood sliced or peeled from a log or flitches.
a. lumber
b. veneer
C. plywood
d. laminated wood
b. veneer
28
Growth ring cells characterized by smaller cavities and thicker walls.
a. springwood
b. earlywood
c. annual ring
d. latewood
d. latewood
29
Narrow, tapering wood cell which is closed at both ends.
a. parenchyma
b. microfibril
c. wood fiber
d. wood rays
c. wood fiber
30
In lumber grading there are more than a hundred different factors to be considered however, there are three major consideration in lumber grading these are:
I. Natural defects that are the result of sawing and milling
II. Variation in quality
III. Characteristics that the board bears that have resulted from a combination of natural and man-made
causes
IV. Lapses of lumber graders
a. l, IV, Ill
b. l, IV
c. lll, IV
d. l, ll, Ill
d. l, ll, Ill
31
Carbohydrates is the principal component of wood comprising of about percent.
a. 90-100%
b. 71-75%
c. 70-80%
d. 50-60%
c. 70-80%
32
Which of the following species is MOST susceptible to blue stain?
a. Toog
b. Apitong
c. Molave
d. Gubas
a. Toog
33
Complex phenolic polymers of irregular structure in wood.
a. carbohydrates
b. hemicellulose
c. cellulose
d. lignin
d. lignin
34
Fire retardant is a kind of wood treatment purposely to reduce
a. ash formation
b. kindling temperature of wood
c. combustibility of wood
d. heat value
c. combustibility of wood
35
Measured by the load required to embed a 0.444 inch ball to one-half its diameter in the wood.
a. impact bending
b. torsion
c. toughness
d. hardness
d. hardness
36
NaPCP is a derivatives of preservative
a. oil borne
b. water borne
C. air borne
d. synthetic
a. oil borne
37
Plywood is an offshoot of the ancient art of veneering which dates back more than three thousand years which was proven by the artifacts such as:
I. Veneered furniture found in the tombs of pharaohs in Egypt
Il. From the tombs of China
III. Common art in Italy and France of the Renaissance period
IV. Found in the tomb of Japanese Emperor
a. l,Il and IV
b. I and ll
c. ll,Ill and IV
d. Ill and IV
b. I and ll
38
The defects of wood that are considered by lumber graders in grading a lumber.
I. Knots
lI. Missing wood
IIl. Discoloration
IV. Treatability
V. Manufacturing
a. l,II,V
b. l,ll,Ill,IV,V
C. V,VI
d. Il,lll,IV
b. l,ll,Ill,IV,V
39
A type of panel made from finely ground wood pulp, held together with a bonding agent and lightly compressed and their density is far less than that of hardboard or particle board.
a. block board
b. perforated board
c. soft board
d. medium board
c. soft board
40
Specific gravity of woods is an index of the amount of
a. mass index
b. texture index
c. wood substance
d. weight index
c. wood substance
41
A quartersawn lumber has rings at angles with the wide surface of the board.
a. 15 to 30 degrees
b. 45 degrees to 90 degrees
c. 20 to 40 degrees
d. 30 degrees to 40 degrees
b. 45 degrees to 90 degrees
42
If the overall heat transmission coefficient of a wall is 0.15, calculate the total heat resistance of the wall.
a. 6.66
b. 6.77
c. 7.66
d. 7.77
a. 6.66
43
One of the by product of the chemical component of wood lignin.
a. herbal medicine
b. preservative
c. vanilin for flavoring
d. perfume
c. vanilin for flavoring
44
The common wood treatment applied on foundation piling of building erected in swampland is to coat the poles with coal tar product such as:
I. Asphaltum
Il. Creosote
III. Sodium nitrate
IV. Diesel oil
a. I,II
b. ll,Ill
c. llI,IV
d. I,IV
a. I,II
45
Determine the density of a lumber of 20cu.m. loaded in a truck with a loadlimit of 9 tons.
a.50kg/cu.m
b. 45 kg/cu.m
c.400 kg/cu.m
d. 450 kg/cu.m
d. 450 kg/cu.m
46
The purpose of removing moisture of wood through seasoning is to improve
a. electrical resistance
b. strength
c. control of air flow
d. serviceability
d. serviceability
47
Particle board and medium density fiberboard are manufactured by using the Mill-waste such as:
Wood chips
Splinters
Flakes and screened sawdust
Drift wood
a. l,IV
b. I, II,IV
c. ll,lll,IV
d. l,lI, III
d. l,lI,Ill
48
A log has a gross volume of 1.05 cu.m. if the volume of rotten knot is 0.105cu.m., what is the percent of defect? 1.05-0.100
a.0.1%
b.10%
c.1%
d. 100%
b.10%
49
In saw milling, a set is provided to avoid friction during cutting.
a. inspection
b. clearance
C. benching
d. oiling
b. clearance
50
What is often referred to as the properties of wood that resist swelling under conditions of extreme water exposure?
a. water resistant
b. water holding capacity
c. green weight
d. hygroscophyl
a. water resistant
51
Include for structural framing in house construction.
a. wave
b. manufacturing imperfection
c. splits
d. decay
manufacturing imperfection
52
Ways to utilize wood residues in order to generate revenues.
I. Biomass fuel for cogeneration
Il. Food for animals
III.Toys manufacturing
IV. Crating materials
a. I,lll,IV
b. l,ll
c. ll,lll
d. ll,lll,IV
a. I,lll,IV
53
A pulping process which subject the chip wood laterally against a revolving grindstone that reduces the chips to a fibrous mass which after screening and thickening is converted into pulp products.
a. soda process
b. alkaline process
c. sulfate process
d. mechanical process
d. mechanical process
54
25-32% of MC is very favorable for
a. fungal growth
b. cutting into lumber
c. shaping
d. working into panel
a. fungal growth
55
Some plant which are believed to be source of herbal medicine by the indigenous people are often causing health problem when used, except:
a. Herbal medicine not effective
b. Dosage not determine causing overdosage
c. Improper prescription by quack doctors
d. Unsanitary taking causing infection
a. Herbal medicine not effective
56
To improve proper utilization of wood derived from lumbering, should not just be for panel board from timber but also in
a. property of wood
b. characteristic of wood
c. mechanical property of wood
d. lumber by-product as well
d. lumber by-product as well
57
Which of the following group of forest trees are hundred percent falling under the classification of hardwood?
I. Agoho
Il. Benguet pine
III. Gubas
IV. Binuang
a. IV,II
b. IV,I
c. l, II,III
d. IV,Ill
d. IV,Ill
58
One of the use of sulfate liquor extract in the process of peeling
a. detergent
b. tanning leather
c. bleaching agent
d. fertilizer
b. tanning leather
59
Lignin is the thin element cementing layer between:
a. cellulose
b. halo cellulose
c. wood cell
d. hemicellulose
c. wood cell
60
Excessive quantity of adhesive will result to poor bonds called
a. poor positioning
b. starved joint
c. un-proportioned mixture adhesive
d. uneven drying of adhesive
b. starved joint
61
Losses of weight and strength of wood due to irreversible high temperature is one of the causes of
a. degradation of wood substance
b. loss of weight
C. loss of durability
d. loss of moisture
a. degradation of wood substance
62
The dominant wall board production method used at the moment which involves the laying of manually,
selected and planed all around glued wood battens into a mould and then compressing them. This method has
several shortcomings which of the following is NOT considered a shortcoming.
a. High percentage of waste and high manpower requirement
b. Low productivity
c. Very cheap to work on
d. Need for extensive planning and grinding
c. Very cheap to work on
63
Wood fiber or tracheid is essentially
a. hemicellulose
b. tyloses
C. lignin
d. cellulose
d. cellulose
64
A measure of roundwood stacked 1.2 x 1.2 x 2.4m
a. pile
b. extractives
c. cord
d. stack
c. cord
65
Most particle boards have a small quantity of paraffin added during manufacturing. The purpose of which is
a. to keep the surface shinny
b. to keep the board fire retardant
c. to serve as preservative
d. moisture retardant
d. moisture retardant
66
The process of submerging wood in a tank of water-soluble preservative is:
a. dipping
b. vacuum treating
c. osmosis
d. hot and cold bath
dipping
67
The mechanical property of wood is used to determine its strength/resistance to
a. temperature resistance
b. external force
c. physical force
d. chemical effect
b. external force
68
Equilibrium moisture content is a condition wherein the timber are considered
a. completely saturated of moisture
b. reach fiber saturation point
c. neither gain or lose moisture
d. completely devoid of moisture
c. neither gain or lose moisture
69
Properties of wood which make it hard to dry.
a.density
b.porousity
C. specific gravity
d. weight
a.density
70
Sulfide oxide extract is a chemical extract resulting from of the liquor with lime concentration which often used for tanning leather.
a. saturation
b. separation
c. neutralization
d. combination
Separation
71
Woods readily gives off and absorb moisture in the air makes it a
a. porous material
b. hygroscopic material
c. moisture retardant
d. water proof material
b. hygroscopic material
72
Fatigue is a progressive damage in wood due to
a. uneven distributions of load
b. uneven drying of wood surface
c. cyclic loading
d. overloading
c. cyclic loading
73
Substances which have some adhesive properties and are added to reduce cost of glue mix.
a. fillers
b. minerais
c. coagulants
d. extenders
d. extenders
74
A superficial fungal growth often in the form of a woody or furry coating and characterized by the production of colored spores on the surface.
a. dote
b. wane
c. stain
d. mold
mold
75
A mode of separating the inferior to that of the superior material is called
a. quality determination
b. soundness testing
c. defect free analysis
d. grading
d. grading
76
Due to alternating humidity and drying which is common in the Philippines, what would you recommend as
a remedy to this situation?
a. install a vapor barrier
b. regulate the room temperature
c. subject heater
d. subject to constant air circulation
a. install a vapor barrier
77
It is bleaching chemical that is harmful to laminated surface and are very common as household brand.
a. sodium nitrate
b. potassium permanganate
c. hydrogen peroxide
d. sodium bisulfate
c. hydrogen peroxide
78
An extract in the process of pulping which is the out-come of the preparation of neutralizing the liquor with lime concentration and separation of the organic and inorganic materials which could be used for tanning
leather.
a. sulfide oxide extract
b. soda lime extract
C. soda ash extract
d. sulfite liquor extract
d. sulfite liquor extract
79
Hardboard used chiefly as exterior sidings.
a. grooved hard board
b. striated board
c. patterned hard board
d. perforated board
a. grooved hard board
80
All are source of Tanin EXCEPT one
a. bakawan
b. kamachile
c. agoho
d. pagatpat
c. agoho
81
Tabigi is the source of dye for tanning fish net and clothing and is called
a. nige
b. nadir
c. indigo
d. ceriops
a. nige
82
A wood product made from converted wood fibers bonded into panels under. heat and pressure, with a lignin binding. The wood fiber are produced by whirling knives in what the manufacture called an "attrition mill".
a. card board
b. hard board
c. cement board
d. panel board
b. hard board
83
A measurement of the forces required to pull apart a panel, the strength of the bond created by the resins which bond the solid into a panel.
a. screen bond
b. linear strength
c. modulus of elasticity
d. internal bond
internal bond
84
Decay is usually caused by wood destroying fungi, it is also called
a. dote and rot
b. cell weakening
c. deterioration
d. decomposition
a. dote and rot
85
Use for finishing edge of shelves and cabinets.
a. pannel board
b. T and G
c. bevelled strip
d. S4S
c. bevelled strip
86
Which of the following factors do NOT influence the yield in carbonization of wood?
a. species
b. relative humidity
c. temperature and heating time
d. wood density
relative humidity
87
This property is essential in selecting species for tool handles.
a. luster
b. grain direction
c. color
d. toughness
toughness
88
In chemical treatment of wood, what part of the wood could easily be treated?
a. center wood
b. sapwood
c. heart wood
d. tracheal part of wood
sapwood
89
Measure of stiffness or rigidity of a beam or column.
a. static bending
b. modulus of rupture
C. modulus of rigidity
d. modulus of elasticity
b. modulus of rupture
90
Structural fiber wallboard used in building construction is composed of molded and posted together and usually sized on the surface or throughout.
a. layer of chipboard
b. saw dust
c. sawmill waste
d. layer of veneer
a. layer of chipboard
91
A dipterocarp species often chosen for poles and piles because the heart wood is easy for the preservatives to penetrate.
a. white lauan
b. bagtikan
c. apitong
d. palosapis
Apitong
92
People living in a developed country are very much health conscious that is why _______ is very much accepted
a. traditional medicine
b. faith healer
c. herbal medicine
d. indigenous medicine
c. herbal medicine
93
The chief difference between plywood and decorative panel of hardboard and gypsum board are:
I. Plywood is 100% wood
Il.Wood grain of hard board and gypsum board panel are either lithographed on the surface by a vinyl film
overlay
III.Plywood is forinterior use only
IV. Gypsum board panel is for external use only
a. l,lll
b. ll,Ill,IV
c. l,ll
d. ll,IV
c. l,ll
94
The most durable of the species listed below.
a. malapapaya
b. malabayabas
c. malikmo
d. mancono
mancono
95
The primary purpose of adding extender in adhesive
a. improve coagulation
b. improve strength
c. reduces cost of glue mix
d. improve drying effect
c. reduces cost of glue mix
96
Sometimes referred to as horizontal shear.
a. longitudinal shear
b. tensile shear
c. compression shear
d. lateral shear
a. longitudinal shear
97
Mold is one of the attack in wood causing discoloration, this attack is cause by:
a. mollusk
b. martesia
c. ambrocia
d. fungi
d. fungi
98
That accessory of a steam generator where pulverized coal or bunker oil is received.
a. Stocker
b. Condenser
c. pre-heater
d. furnace
d. furnace
99
The property of wood to resist cutting is:
a. Toughness
b. StifFness
c. Hardness
d. Tensile strength
c. Hardness
100
These ribbons of tissue contribute to the natural figure of lumber and veneer
a. Ripple marks
b. Woodrays
c. extractives
d. Phloem
b. Woodrays
101
Given the density of the species at 500 kg./cu.m., how many cu.m. are there if the total load of a truck is 9 tons?
a.18 cu.m.
b. 45 cu.m.
c. 55.5 cu.m.
d. 180 cu.m.
a.18 cu.m.
102
Example of fumigants which can arrest decay in poles
a. Vapam and chloropicrin
b. PEG 1000
c. Urea formaldehyde
d. Cisli
a. Vapam and chloropicrin
103
The green specific gravity of tangile is 0.5 Calculate the total load in cu.m. a ship with a capacity of 10,000 tons can carry.
a. 9,000 cu.m
b. 10,000 cu.m
c. 20,000 cu.m
d. 12,000 cu.m
c. 20,000 cu.m
104
This property is essential in selecting species for baseball bats
a. Size of pores
b. Color
c. Toughness
d. Luster
c. Toughness
105
A property of wood that enables it to resist indention
a. Hardness
b. Elasticity
c. Resilience
d. Softness
a. Hardness
106
High moisture content may be permitted in
a. Full-cell treatment with creosote
b. Diffusion method with water borne preservative
c. Dipping in coal tar solution
d. Empty cell treatment with oil-borne preservative
b. Diffusion method with water borne preservative
107
Wood dried to relatively constant weight in a ventillated oven at 103 + 20 C
a. Air dried wood
b. Kiln dried wood
c. Oven dry wood
d. Shipping dry wood
c. Oven dry wood
108
A portion of board or plank that is obtained by ripping, cross-cutting or by both
a. Vertical
b. Cutting
c. Sound cutting
d. Diagonal cutting
b. Cutting
109
Classified as easy to dry
a. Ipil, dungon, binggas
b. Almaciga, dita, kalantas
c. Amugis, bitaog, bolon
d. Tangile, red lauan, bagtikan
b. Almaciga, dita, kalantas
110
A kind of decay where only the cellulose is consumed
a. Wet rot
b. Dry rot
c. White rot
d. Brown rot
d. Brown rot
111
The largest genus of rattan in the Philippines
a. Plectocamia
b. Korthalsia
c. Dillenea
d. Calamus
d. Calamus
112
The time schedule of predetermined actual dry-bulb and wet-bulb temperature used in drying a charge of lumber and other wood products
a. Kiln drying
b. Kilnschedule
c. Kiln chamber
d. Mid-chamber drying
b. Kilnschedule
113
Area of 1 ha. or more which is at least 10% stocked with forest trees
a. Savanah
b. Forest
c. Degraded land
d. Savannah and forest
b. Forest
114
Equal in volume to a board 1 inch thick 12 inches wide and 1 foot long
a. Cubic meter
b. Board foot
c. Cubic foot
d. Cord
b. Board foot
115
Pin holes are borer not over
a. 1/32 in diameter
b. 1" in diameter
c. 1/16 inch in diameter
d. 1/4 inch in diameter
c. 1/16 inch in diameter
116
The least durable of the species listed below
a. Malapapaya
b. Mancono
c. Malabayabas
d. Dao
Malapapaya
117
According to NHLA rules, the minimum size of board permitted for FAS is
a. 3" x 4'
b. 4" x 6'
c. 6"x8'
d. 7" x 6'
c. 6"x8'
118
Load where the force acts over a long period of time
a. Static load
b. Rolling load
c. Dead load
d. Impact load
c. Dead load
119
A generic term for a panel manufactured primarily from interfelted lignocellulose fiber consolidated under heat and pressure to density of 31 lbs./ft. or greater
a. Plywood
b. Particleboard
c. Hardboard
d. MDF
c. Hardboard
120
Confirms presence of lension wood in hardwoods
a. Parenchyma
b. Tracheids
c. Gelatinous fibers
d. Pores or vessels
c. Gelatinous fibers
121
Botanically, softwoods are
a. Conifers
b. Dicotyledons
c. Wood that are soft
d. Angiosperms
a. Conifers
122
Constituent of wood that is soluble in water
a. Cellulose
b. Hemicellulose
c. Lignin
d.Starch
b. Hemicellulose
123
The property of wood to resist external force is:
a. Physical property
b. Anatomical property
c. Chemical property
d. Mechanical property
d. Mechanical property
124
Water found in the cell cavities is
a. Cell water
b. Cavity water
c. Freewater
d. Bound water
c. Freewater - cavities
bound - cell wall
125
A sawmill has a conversion or recovery factor of 0.6. Estimate the recoverable lumber in bd. ft. if the log input is 100 cu.m.
a. 10,000 bd.ft.
b. 6,000 bd.ft.
c. 25,440 bd.ft.
d. 50 cu.m
. 25,440 bd.ft.
126
A wood strip having a curved or projecting surface used for decorating purposes
a. Strips and narrows
b. Scanting
c. T & G
d. Moulding
Moulding
127
A factor that at least affects production of smooth surface during machining
a. Interlocked and variable grain
b. Hard mineral deposits
c. Reaction wood
d. Size of pores
d. Size of pores
128
An example of non-pressure treatment process
a. Brushing
b. Double oscillation method
c. Lowry
d. Cellon
a. Brushing
129
Wood that is not attacked by decay fungi is usually
a. Hard or dense species
b. Soft species
c. Naturally decay resistant
d. Light-colored species
c. Naturally decay resistant
130
Wood with oily deposits
a. Kayugalu
b. Acacia mangium
c. Tangile
d. Mala-ikmo
a. Kayugalu
131
It is the deformation per unit of length resulting from the action of stress
a. Strain
b. Shear
c. Elasticity
d. Tension
Strain
132
When pith falls entirely within the four faces of a piece of wood anywhere in its length
a. Squared heart
b. Squared pith
c. Boxed heart
d. Hard pith
c. Boxed heart
133
A designation of the quality of logs or lumber
a. Trademark
b. Copyright
c. Certification
d. Grade
d. Grade
134
A board 8/4" x 6" x 14' equivalent to
a. 14bd. ft.
b. 24 bd. ft.
c. 8 bd. ft.
d. 4 bd. ft.
a. 14bd. ft.
135
Property of wood that enables it to reflect light
a. Luster
b. Warp
c. Nadir
d. Wane
a. Luster
136
A measure of combined strength and toughness of wood under bending stress
a. Maximum loading
b. Minimum loading
c. Work to maximum load in bending
d. Maximum crushing strength
c. Work to maximum load in bending
137
A full-cell process of wood preservation by pressure treatment
a. Bethel
b. Rueping
c. Lowry
d. Sap displacement
a. Bethel
138
Bark yields tannin used for "tuba" flavoring
a. Tangal
b. Pototan
c. Bakawan
d. Api-api
a. Tangal
139
Its treatment can increase resistance of wood to alkaline solution
a. Furfuryl alcohol
b. Sodium hydroxide
c. PEG 1000
d. Coal tar
a. Furfuryl alcohol
140
Piece of wood or metal placed in the back cut to prevent the saw being jammed during felling
a. Wedge/undercut
b . Scarf
c. Cant hook
d. Stopper
a. Wedge/undercut
141
An oil-borne preservative
a. NaPCP
b. Acid copper chromate
c. CCA
d. Cislin
a. NaPCP
142
The most promising raw material for furniture
a. Yemane
b. Banlag
c. Gubas
d. Mollucan sau
a. Yemane
143
A good substitute for black walnut
a. Mahogany
b. Ipil-ipil
c. Akle
d. Tindalo
c. Akle
144
A kind of termiticide which is now regulated
a. Chlordane
b. Farmay
c. Pentachlorophenol
d. Coaltar
a. Chlordane
145
The distance that the stock being processed moves during given interval of time or operational cycle
a. Complete cycle
b. Feedrate
c. Orthogonal cycle
d. Peripheral cycle
b. Feedrate
146
Structural member supporting a load applied transversely to it
a. Stad
b. Post
c. Purlin
d. Beam
d. Beam
147
Given the production capacity of a plywood plant at 5,000 panels of 3/4" x 4 x 8' what is the required raw material input if the recovery is 50%
a. 500 cu.m
b. 1,000 cu.m
c. 750 cu.m.
d.566cu.m
d.566cu.m
148
An example of wood boring mollusks
a. Ambrosia
b. Cryptoterms
c. Fomes
d. Teredo
d. Teredo
149
In wood anatomy, the cell cavity
a. Cell wall
b. Vessel
c. Pore
d. Lumen
d. Lumen
150
The minimum size of cutting for FAS is
a. 3" x 2'
b. 3" x 4'
c. 4"x5'or3"x7'
d. 4" x 2' or 3" x 3'
c. 4"x5'or3"x7'
151
If a sawmill percentage recovery is 55% and its target output is 23,320 bd.ft. what is the required volume in cu.m of log input?
a. 10 cu.m
b. 100 cu.m
c. 1,000 cu.m
d. 50 cu.m
b. 100 cu.m
152
Rift cracks characteristically confined to the heartwood
a. Catface
b. Heartshake
c. Heartcheck
d. Center
c.Heartcheck
153
Bark or lack of wood
a. Knot
b. Warp
c. Crooked
d. Wane
d. Wane
154
Whole-end product ready for use without need of processing
a. Dressed lumber
b. Finished product
c. Patented product
d. Laminated components
b. Finished product
155
As applied to lumber, the size by which is known and sold in the market which often differs with actual size
a. Oversize
b. Shrinkage size
c. Nominal size
d. Binominal size
c. Nominal size
156
The rattan stem is commonly called a
a. Sheath
b. Spine
c. Cane or pole
d. Cirrus
c. Cane or pole
157
A kiln in which the total charge of lumber is dried as a single unit
a. Compartment kiln
b. Progressive kiln
c. High-end temp. kiln
d. Low-end temp. kiln
a. Compartment kiln
158
A measure of the rate of heat flow through wood
a. Coefficient of friction
b. Thermal conductivity
c. Thermal diffusivity
d. Poisson effect
b. Thermal conductivity
159
Source of dyebark called "nige" used for tanning fish nets and clothing
a. Balete
b. Dungon
c. Malaruhat
d. Tabigi
d. Tabigi
160
It is the resistance of wood to splitting
a. Stiffness
b. Cleavage
c. Shear
d. Compression force
b. Cleavage
161
Grooves or notches made in cutting with a saw
a. Sawkerf
b. Sawdust
c. Sawline
d. hotdust
a. Sawkerf
162
Portion of the tree trunk that lies between the pith and the cambium
a. Phloem
b. Bark
c. Blash center
d. Xylem
d. Xylem
163
Cavities surrounded by parenchyma cells that secretes gums, oil, etc.
a. Pores
b. Tracheids
c. Vessels
d. Resincanals
d. Resincanals
164
Sound cutting permits
a. Rot
b. Pith
c. shake
d. Sound knots
d. Sound knots
165
A special dryer used for expensive species with large cross-sections
a. Conventional kiln-dryer
b. Solvent dryer
c. Vaccum dryer
d. Solar dryer
c. Vaccum dryer
166
Given the production capacity of a plywood plant at 5,000 panels of 3/4" x 4 x 8' what is the required raw material input if the recovery is 50%
a. 500 cu.m
b. 1,000 cu.m
c. 750 cu.m.
d. 566 cu.m
d. 566 cu.m
167
It is not necessary to dry wood for use in
a. Furniture, cabinet and millwork
b. Structural components for bridges
c. Plywood, particleboard and MDF
d. Flooring, door jambs and doors
b. Structural components for bridges
168
Apitong is distinguished from guijo by its
a. Coarser texture
b. Finer texture
c. Hard texture
d. Finer and coarser texture
a. Coarser texture
169
A package of imported kiln dried maple measures 2' x 4' x 10'. The rough estimate of the board feet content of the un-stickered package is
a. 6.7 bd. ft.
b. 80.0 bd. ft.
c. 960 bd. ft.
d. 120 bd. ft.
a. 6.7 bd. ft.
170
The wet-bulb depression (WBD) at any given dry-bulb temperature (DBT) can be converted directly to
a. Equilibrium moisture content
b. Ambient air temperature
c. Dry-bulb-temperature
d. Air circulation
a. Equilibrium moisture content
171
General term for sash, doors, panel work, and other items of interior or exterior trim
a. Mill work
b. Matched lumber
c. Shop lumber
d. Patterned lumber
a. Mill work
172
The breaking strength of a beam expressed in stress per unit area
a. Static bending
b. Modulus of rupture
c. Modulus of elasticity
d. Fiber stress
b. Modulus of rupture
173
What is the oven dry weight of a wood sample if the original weight is 2.02 kilos with an average moisture content of 62%
a. 0.795 kilos
b. 1.022 kilos
c. 1.136 kilos
d. 1.25 kilos
d. 1.25 kilos
174
Annual volume of log input to sustain operation of a wood processing plant
a. Allowable cat
b. Annual log requirement
c. Capacity utilization
d. Conversion efficiency
b. Annual log requirement
175
A water borne preservative
a. Pentachlorophenol
b. Creosote
c. Coal tar
d. Acid copper chromate
d. Acid copper chromate
176
A low wood platform on which material can be stacked to facilitate mechanical handling, moving and storage.
a. Crate
b. Pallet
c. Box
d. Sleeper
b. Pallet
177
In FAS, the length in inches of pith is limited to
a. 1SM
b. 1/3 SM
c. 1/2 SM
d. 2 SM
a. 1SM
178
Classified as difficult to saw
a. Manggasinoro
b. Red Lauan
c. Tangile
d. Gubas
a. Manggasinoro
179
A guide to wood finisher for application of a filler
a. Size of pores
b. Straight grain
c. Flat grain
d. Diagonal grain
a. Size of pores
180
Given the green specific gravity of lauan at 0.5 Calculate the total weight of 10,000 cu.m
a. 5,000,000 tons
b. 5,000,000 kg.
c. 5,000,000 g
d. 5,000 g
d. 5,000 g
181
This group of species is very hard to dry
a. Alupag-amo, binggas, dungon
b. Agoho, amugis, bagras
c. Batino, bolon, igem
d. Tangile, tiaong, red lauan
a. Alupag-amo, binggas, dungon
182
Refers to the ease with which a species of wood takes in preservative using vacuum or pressure process
a. Volatility
b. Treatability
c. durability
d. Accessibility
b. Treatability
183
Connects neighboring vessels of longitudinal tracheids
a. Simple pair
b. Bordered pit pair
c. Inter-parenchymatous
d. Closing membrane
b. Bordered pit pair
184
A recess in the secondary wall which provides inter-cell communication for the translocation of liquid.
a. Pit
b. Vessel
c. Tracheid
d. Fiber
a. Pit
185
What is the conversion efficiency of a sawmill whose log input is 45 cu.m and lumber output of 9,540 bd. ft.?
a. 5%
b. 0.5%
c. 50%
d. 100%
c. 50%
186
Rapid drying in a kiln is achieved by the use of;
a. High temperature and high relative humidity
b. Low temperature and high relative humidity
c.High temperature and low relative humidity
d. Low temperature and low relative humidity
c.High temperature and low relative humidity
187
series of marking made by machining knives in dressed lumber
a. Knife marks
b. Defect
c. Degrade
d. Blemish
a. Knife marks
188
A 1/4" x 4' x 8' plywood contains how many bd. ft.
a. 4 bd. ft.
b. 8bd.ft.
c. 32 bd. ft.
d. 16 bd. ft.
b. 8bd.ft.
189
A type of stain not caused by fungus
a. Biological stain
b. Chemical stain
c. Molds
d. Blue stain
b. Chemical stain
190
A change in MC from fsp to oven-dry condition increases wood's
a. Thermal insulating capacity
b. Resistance to shock
c. Weight
d. Resistance to finishing
a. Thermal insulating capacity
191
a comparative figure representing the ability of wood to absorb shocks
a. Impact bending
b. Hardness
c. Toughness
d. Shear
a. Impact bending
192
Organic components of wood contributes to such properties as
a. Taste, color, and odor
b. Moisture content and shrinkage
c. Toughness
d. Hardness
a. Taste, color, and odor
193
Micro-organisms primarily responsible for gray discoloration is
a. Molds
b. Ants
c. Mollusks
d. Mildew
d. Mildew
194
Quarter sawed lumber is synonymous to
a. Side-grained lumber
b. Slash-grained lumber
c. Vertical grained lumber
d. Flat grained lumber
c. Vertical grained lumber
195
The surface measure of a board 2" x 4" X 6' is
a. 4 SM
b. 24 SM
c. 8 SM
d. 2SM
d. 2 SM
196
The pinching effect on saws due to stress relief may be caused by
a. Moisture content
b. Age of the tree
c. Tension wood
d. Juvenile wood
c. Tension wood
197
per NHLA rules, the basic minimum percentage clear-face for No.1 common is
a. 83-1/3%
b. 66-2/3%
c. 50%
d. 33-1/3%
b. 66-2/3%
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