A modern-day, boom-equipped truck operates on the same principle as the basic ____.
a. fulcrum
b. lever
c. piston
d. pulley
b. lever
A modern-day, boom-equipped truck is a labor saving device because ____.
a. booms can lift enormous weights
b. fiberglass booms are safer than steel booms
c. it requires fewer workers to perform a given task
d. the vehicle is low-mainenance
Reference: Boom Capacities and Load Charts, “Boom Capacities,” Paragraph 1, Sentence 2
c. it requires fewer workers to perform a given task
The Archimedes Principle states that the weight of an object will increase in proportion to the distance that it moves from the fulcrum point.
True or False?
Reference: Boom Capacities and Load Charts, “Boom Capacities,” Paragraph 4, Sentence 3
False
The load charts for a bucket truck should be located ____.
a. at the boom tip
b. in the glove box
c. in the pre-lift kit
d. under the driver’s seat
Reference: Boom Capacities and Load Charts, “Load Charts,” Paragraph 3, Sentence 1
a. at the boom tip
A boom-equipped truck can tip over even if there is no weight at the end of the boom.
True or False?
Reference: Boom Capacities and Load Charts, “Boom Capacities,” Paragraph 4, Sentence 4
True
The way the truck is set up prior to using the boom will not affect the load capacity of the boom during normal operation.
True or False?
Reference: Boom Capacities and Load Charts, “Load Chart Information,” Paragraph 8, Last Sentence
False
The boom must not be operated if the truck is at an incline of more than ____.
a. 5°
b. 7.5°
c. 10°
d. 15°
Reference: Boom Capacities and Load Charts, “Other Safety Requirements,” Paragraph 1, Bullet 4
a. 5°
Placing outrigger pads under the outriggers can help prevent ground penetration.
True or False?
Reference: Boom Capacities and Load Charts, “Other Safety Requirements,” Paragraph 1, Bullet 3
True
The total weight of the load is equal to the weight of the object being lifted.
True or False?
Reference: Boom Capacities and Load Charts, “Load Chart Information,” Paragraph 6
False
The purpose of the hydraulic overload protection (HOP) system is to protect the unit from ____.
a. hydraulic oil leaks
b. operator error
c. structural overload
d. winch line overload
Reference: Boom Capacities and Load Charts, “Other Safety Requirements,” Paragraph 1, Last Bullet
c. structural overload
An object that is attached or frozen to the ground can be safely lifted after factoring in its true weight to the load calculation.
True or False?
Reference: Boom Capacities and Load Charts, “Load Chart Information,” Paragraph 4, Sentence 3
False
As the radius of the boom changes, so does its capacity.
True or False?
Reference: Boom Capacities and Load Charts, “Load Chart Information,” Paragraph 7, Sentence 2
True
At what boom angles would a fully retracted digger derrick boom need to be in order to pick up a load that is 15 feet away from the center line of rotation and bring it to a final position that is 10 feet away from the center line of rotation?
(Use the range diagram below.)
a. Start at 15° and end at 10°
b. Start at 18° and end at 19°
c. Start at 40° and end at 60°
d. Start between 65°-70° and end at 75°-80°
Reference: Boom Capacities and Load Charts, “Load Chart Information,” Range Diagram
c. Start at 40° and end at 60°
The required load charts for the equipment in use must be posted at the point of operation.
True or False?
Reference: Boom Capacities and Load Charts, “Load Charts,” Paragraph 2
True
When calculating loads to be moved with a jib, it is necessary to check both the jib capacity chart and the main boom chart.
True or False?
Reference: Boom Capacities and Load Charts, “Example,” Paragraph 2
True
There are ____ basic types of pin plates used in jib positioning.
a. 2
b. 3
c. 4
d. 5
Reference: Boom Capacities and Load Charts, “Jib Bracket Pin Position,” Paragraph 1, Sentence 1
b. 3
A material-handling jib can always be used to hang a transformer.
True or False?
Reference: Boom Capacities and Load Charts, “Material-Handling Jibs,” Paragraph 1, Sentence 2
False
The lower boom angle of a double bucket must be at least 15° above horizontal or less than ____ above horizontal before the upper jib boom can be used to hang a small transformer.
a. 25°
b. 60°
c. 75°
d. 90°
Reference: Boom Capacities and Load Charts, “Double Platform (Bucket),” Paragraph 2, Sentence 1
d. 90°
If a double bucket is properly set up according to the chart with its upper boom at –35°, what is the maximum load its jib can pick up if it is extended three feet?
a. 577
b. 649
c. 681
d. 770
Reference: Boom Capacities and Load Charts, “Double Platform (Bucket),” Capacity Chart
c. 681
