NCCCO Core Exam Prep (2023/ 2024 Update) Questions and 100% Correct Verified Answers| Grade A

NCCCO Core Exam Prep (2023/ 2024

Update) Questions and 100% Correct

Verified Answers| Grade A

Q: What three functions will not work after two-blocking a crane that has a prevention system?

Answer:

Boom down, extend the boom and hoist

Q: Boom angle on a telescoping boom is measured from above or below horizontal to the

?

Answer:

Longitudinal axis of the boom base section

Q: The line pull of the innermost layer on the hoist drum is than the outermost

layer.

Answer:

Greater

Q: Side loading of a crane can be caused by?

Answer:

Wind

Q: If power fails to the crane what must the operator ensure is done?

Answer:

The controls are put in the neutral position

Q: On a multiple crane lift, do not exceed of the load chart.

Answer:

75%

Q: If a crane operator knows the boom length and the boom angle he could use the range

diagram to estimate what?

Answer:

Load radius

Q: Which of the following jib offsets will have the least amount of capacity?-

Answer:

30 degrees

Q: When is it okay to make modifications to the structure of the crane's upper works?

Answer:

With written permission from the manufacturer

Q: A sudden stop of the hoist on a crane will produce a what?

Answer:

Dynamic load

Q: When hoisting personnel from a crane, what must be on the crane?

Answer:

 -

Anti-two block device

Q: What grade of alloy steel chain should be used for hoisting slings?

Answer:

80

Q: Each time a line passes from the boom point to the load block it is considered a ?

Answer:

Part of line

Q: Which statement about sling angles is correct?

Answer:

As sling angle decreases, sling stress increases

Q: When installing a wedge socket end termination on the crane the live section of the rope

should be in line with the?

Answer:

Pin

Q: Which of the following hitches would be best suited for lifting a bundle of items?

Answer:

Double wrapped choker

Q: If the signal person extends his arm at shoulder height with his thumb pointing down what

do they want the operator to do?

Answer:

Boom down

Q: If the signal person has their arm extended and is pointing to his/her left, what do they want

you to do?

Answer:

Swing right

Q: Why is a carry deck crane, called a carry deck?

Answer:

The deck of the crane has carrying capacities

Q: How much clearance is required between the counterweight of the crane and all objects?

Answer:

2 ft.

Q: Which of the following would be good ground conditions for setting up a crane?

Answer:

Compacted and level

Q: When using a carpenter's level to check the level condition of the crane, where would be the

best location to put the level?

Answer:

Swing bearing of the upper works