Overhead Crane Exam Prep (2023/ 2024 Update) Questions and Verified Answers| 100% Correct
Overhead Crane Exam Prep (2023/ 2024
Update) Questions and Verified Answers|
100% Correct
Q: ANSI standard for overhead cranes?
Answer:
B30.2
Q: what should be done before lifting the load?
Answer:
determine the weight of the load
Q: A hoist limit switch is triggered when the block contacts and raises the weight, what is
suspended from the counterweighted limit switch?
Answer:
the weighted switch
Q: when should limit switches be checked?
Answer:
the beginning of each shift
Q: operating the trolley over long distnaces with intermediate speeds may do what?
Answer:
heat up the motor
Q: whenever possible you should keep one hand on what?
Answer:
the hoist
Q: If you accelerate and stop gradually what does this avoid?
Answer:
excessive draft
Q: on a three light system, what does the RED light indicate?
Answer:
1. Crane is not to be moved under any circumstances
2. Crane is not manned
3. Crane is out of service
Q: on a three light system, what does the GREEN light mean?
Answer:
1. Crane is operational
2. Crane is manned
3. Operator must be in cab
Q: What is the working range for a radio reception?
Answer:
120 to 160 ft
Q: what kind of service operates at LESS than 85% of the rated load with no more than 10 lifts
an hour?
Answer:
normal service
Q: on a hook block on an overhead crane, the hook may have how much twist and how much
opening?
Answer:
10 degree body twist
15% opening
Q: what are the 3 motors that drive a standard overhead crane?
Answer:
1. Bridge
2. Trolley
3. Hoist
Q: what should be done before loading or unloading a crane?
Answer:
centering
Q: How do you secure an overhead crane?
Answer:
1. Park the crane at an authorized platform
2. Secure the trolley next to the cab
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