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