Comprehensive Resource To Help You Ace 2026-2027
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
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1. A crane operator must have a physical examination - Correct Answer:
Every 3 years
2. A crane should be level within - Correct Answer: 1%
3. According to OSHA regulations, when traveling a crane under energized
powerlines of 50 kV, no part of the crane must come within - Correct
Answer: 10 feet
4. Exceeding the maximum counterweight approved by the manufacture for
use on a crane - Correct Answer: May cause structural damage and/or
turn the crane over backwards
5. When placing loads during pick and carry operations on a grade, the load
should always be placed - Correct Answer: On a uphill slide of the crane
6. If a single person hold both fists in front of his or her body with thumbs
pointing out word what action does that signal person and 10 for the
operator to perform - Correct Answer: Extend the boom
,7. According to the B 30.5 standard for rubber tied Crane's, Crane's working
on rubber (not on outriggers), the part of the load chart covered by its
stability is based on what percentage of the cranes capacity - Correct
Answer: 75%
8. When in transit under power lines of more than 750 KV, how much
clearance is required from any part of the crane - Correct Answer:
20feet
9. On a long boom mobile cranes, what is the major effect in abruptly stopping
or a rapid swing - Correct Answer: Action may overturn the crane or
collapse the boom
10.On a pick and carry operations, you should - Correct Answer: Keep the
boom as short as possible
11.On a crawler crane, ground bearing pressure is greatest - Correct
Answer: Over the corner
12.Hooks shall be removed from service when the throat opening exceeds
_______ of the original throat opening - Correct Answer: 15%
13.According to B30.5 standard, when working around power lines of more
than 750 KV, how much clearance is required from any part of the crane
and the load - Correct Answer: 45 feet
,14.Lifting from the jib "on rubber" is - Correct Answer: Prohibited by most
manufactures
15.You should determine if a powerline is energized by - Correct Answer:
Asking your supervisor
16.What is the major reason extreme caution must be used when lifting loads
from the water - Correct Answer: The load on a crane may increase as
the object leave the water due to the loss of buoyancy, water held inside
the object, and surface tension(suction)
17.What is the major hazard of extending the boom on a hydraulic crane
without hoisting down - Correct Answer: Two blocking
18.There are three major items necessary to know in order to establish the
safe working load limit of a crane. Any two of these three items can be used
to compute the third. One is a boom length. Another is radius of the load.
The third is - Correct Answer: Boom angle
19.How often should all running ropes in service be visually inspected -
Correct Answer: Once each working day
20.Unless the manufacture state otherwise, Truck cranes generally have no
lifting capacity over which area - Correct Answer: The front
, 21."Working radius" is defined as the distance from the - Correct Answer:
Center of rotation of the crane to the center of gravity of the load
22.Rough terrain Crane capacities are generally greater over the - Correct
Answer: Front
23.What action does a single person attend the operator to inform if he
extends his arm and shoulder height, makes a fist with his hand, and sticks
his thumb down - Correct Answer: Boom down
24.The load line of a crane you were operating comes into contact with the
energize powerline. There is no sign of any other danger, such as fire. In
such situation you should - Correct Answer: Stay in the cab until lines
are de energized
25.When a heavy load is lifted off the ground it will tend to - Correct
Answer: Swing out away from the Crane
26.Which is most common cause of death to Crane operators - Correct
Answer: Crane turnovers
27.And operator should respond to a stop sign from - Correct Answer:
Anyone
28.Truck crane capacities are generally greater over though - Correct
Answer: Rear