NCCCO PT exam - - from the crane's gross capacity to determine th...

NCCCO PT exam - A crane has a jib installed on the boom tip which is not used, what weight must you deduct from the crane's gross capacity to determine the net capacity?(A) Exact weight of the jib (B) Stowed weight of the boom (C) Effective weight of the jib (D) Estimated weight of the jib - ANSWER>>C

When lifting loads from the water, the operator should be aware that:

(A) The current can change and cause the crane (

• The brakes on the crane could get wet and slip

(C) The load will increase when you pick the load from the water A A dynamic load can occur. - ANSWER>>C

When is it necessary to pull a rotation resistant wire rope out of service?(A) When the safety factor decreases (B) When you use a personnel platform (C) When there are 2 broken wires in 6 rope diameters (D) When there are 5 broken wires in one lay - ANSWER>>C 1 / 3

. What is not a good location for crane setup?(A) Hard fill (B) Rock (C) Compacted fill (D) Above utilities, uncompacted soils, voids - ANSWER>>D

As wire rope wraps onto a hoist drum and the layers increase, the available line pull: (A) decreases (

• is not affected

(C) increases (D) doubles - ANSWER>>A

Cranes jibs are limited by boom angle, and their capacities are based on:

(A) Stability (B) Radius (C) Tipping (D) Structural strength - ANSWER>>D 2 / 3

The capacities of a jib, fly or boom extension are usually limited by:

(A) Boom angle (B) Boom tip reach (C) Outrigger pads (D) LMI - ANSWER>>A

When the jib offset is changed the same the load radius will: from 0 degrees to 15 degrees. If the boom angle remains (A) remain the same.(B) increase.(C) decrease.(D) decrease 1 ft. for each degree offset. - ANSWER>>B

What would be a concerm when operating a crane secured to a barge?(A) ground pressure (B) trim and list (C) length and width of barge (D) crane boom tip height - ANSWER>>B

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