FTE

Question 1

A plastic moment is the largest moment which could be developed by the section.

Answer 1

True

Question 2

Moment magnification may not be required if first order analysis is used.

Answer 2

TRUE

Question 3

For a simply supported beam (pin ended) with no transverse loads with equal end moments in
single curvature, the value of Cb is _

Answer 3

1.0

Question 4

The limit for the plastic moment Mp is _

Answer 4

1.5My

Question 5

The AISC value for Cm shown below is a modification which must always be _____.
Cm = 0.60 + 0.40 (M1/M2)

Answer 5

Less than or equal to one

Question 6

When a section behaves in the plastic mode, the neutral axis divides the section into two _____.

Answer 6

Equal areas

Question 7

The interaction equation below is a _______

(Pq/Pr + Mq/Mr) ≤1.0

Answer 7

Linear

Question 8

Shape factor is simply a ratio of

Answer 8

Either of the two

Question 9

In a beam-column, a primary moment is caused by the

Answer 9

Primary loads

Question 10

What is the relative stiffness of a roller joint (Note: Roller free to move laterally)?

Answer 10

Infinity

Question 11

The yield strength of a material is based on the _____.

Answer 11

Upper yield point

Question 12

A compact section satisfies the condition that the width to thickness ratio of a plate element
shall not exceed the limit for width to thickness ratio to ensure that _____.

Answer 12

The element is capable of large plastic strains prior to local buckling

Question 13

Uniformly compressed elements have no compact limits.

Answer 13

False

Question 14

The value of Fr (residual stress) for welded built-up shapes in the old AISC code is ____.

Answer 14

16.5 ksi

Question 15

A column is a part of an MRF. Determine the moment magnification factor B1 if the column is
braced against side sway. Note: The column is pinned at both ends and the end moments
produces reverse curvature.

m1 =10 𝑘𝑁−𝑚, 𝑀2=20 𝑘𝑁, Pu/Pe = 0.55

Answer 15

0.89

Question 16

In the LRFD criteria for strength of flexural members, the main objective is to determine _____.

Answer 16

Moment capacity

Question 17

. A member or structure is safe if the ratio of the load P with the resistance R is less than or equal
to _____.

Answer 17

one

Question 18

. A moment resisting frame or a beam-column frame is said to be braced if there is no _____.

Answer 18

Side sway of lateral translation

Question 19

For a simply supported beam (pin ended) with no transverse loads with equal end moments in
reverse curvature, the value of Cb is _____.

Answer 19

1.32

Question 20

Perfectly plastic behavior means that the material will not rupture at a specified ____.

Answer 20

Strain

Question 21

. In a beam-column, a secondary moment is cause by the _____.

Answer 21

Primary deflection

Question 22

The number of plastic hinge is determined by the degree of indeterminacy plus _____.

Answer 22

1

Question 23

A member subjected to some degree of bending and/or flexure is called a _____.

Answer 23

Beam

Question 24

Moment magnification may not be required if second order analysis is used.

Answer 24

TRUE

Question 25

What is effective length factor K of a column fixed at one end and roller (free to move laterally) at the other end?

Answer 25

2

Question 26

A frame without lateral loads will have no side sway for sure.

Answer 26

False

Question 27

The factor that takes into account the non-uniform bending moment distribution over an unbraced length Lb is _____.

Answer 27

Cb

Question 28

A column is a part of an MRF. Determine the moment **magnification factor B2** if the column is not braced against side sway. Note: The column is pinned at both ends and the end moments produces reverse curvature. M1 =10 𝑘𝑁−𝑚, 𝑀2=20 𝑘𝑁, Pu/Pe = 0.55

Answer 28

2.22

Question 29

What is the relative stiffness of a fixed joint?

Answer 29

0

Question 30

A stiffened element is more critical that an unstiffened element in terms of local buckling.

Answer 30

True*

Question 31

The range of values of the effective length factor K for sway frame is _____.

Answer 31

1 ≤ 𝑘 ≤ 20

Question 32

. Cm = 1 is a conservative value for braced and unbraced frame.

Answer 32

true

Question 33

Pre-compression of the plates for a riveted connection is achieved by _____.

Answer 33

Applying heat and pressure

Question 34

Hole elongation is common to connection where the failure mode is by _____.

Answer 34

Bearing of the plate

Question 35

Slip critical connection is basically achieved by _____.

Answer 35

Friction between plates

Question 36

The transfer of loads from one plate to the other is basically through _____ of the bolt shank with the plate side hole.

Answer 36

Bearing

Question 37

When threads are included at the shear planes, the nominal strength Rn of the bolts

Answer 37

Decrease

Question 38

For a tension stress concept, the tension stress per bolt considers an equivalent to the area of the _____.

Answer 38

Bolt section

Question 39

Minimum edge distance Lc and minimum ctc spacing s is used to prevent _____.

Answer 39

Shearing of the bolt

Question 40

A length correction factor of _____ applied to account for the effect of length connection.

Answer 40

80

Question 41

The actual proof load given on tables is based on _____.

Answer 41

Stress properties

Question 42

When hole elongation exceeding 0.25” is tolerated, then shearing failure of the bolt is more likely to happen.

Answer 42

False

Question 43

For a bearing stress concept, the bearing stress per bolt considers an area equivalent to the area of the _____.

Answer 43

Hole diameter x thickness

Question 44

The main difference between the bolt and the rivet is in the _____.

Answer 44

Method of fastening

Question 45

When hole elongation exceeding 0.25” is tolerated then the connection is slip critical.

Answer 45

False

Question 46

Question

Answer 46

Option 1

Question 47

Maximum edge distance Lc and maximum ctc spacing s is used to prevent _____.

Answer 47

Shearing of the plate

Question 48

Bearing failure of the plate happens prior to shearing plate failure.

Answer 48

False

Question 49

Which of the following type of connection permits a bolt to be snug tight?

Answer 49

Slip critical type*

Question 50

For a slip critical connection, the **failure mode of the bolt** is by _____.

Answer 50

Shearing

Question 51

For a simple stress concept, the shear stress per bolt considers an area equivalent to the area of the _____.

Answer 51

Bolt section

Question 52

Flexurally compressed elements have non-compact limits.

Answer 52

False k