NCCCO Lattice Boom General Knowledge Exam Questions & Answers

NCCCO PT Actual Exam Questions With
100% Complete Solutions Scored A+

Which unsafe condition could result when a wedge socket is attached directly to a load
hook, using 6x19 IWRC?

(A) Spinning of the load (B) Decreased line pull (C) Decreased safe working load (D)
Structural failure - CORRECT ANSWER-(A) Spinning of the load



Which if the following will indicates intemal damage or ultimately core failure in rotation-
resistant rope?

(A) Strand bird caging (B) Dianeter reduction (C) Excessive lubrication (D) Kinking -
CORRECT ANSWER-(B) Dianeter reduction



When a jib is erected from the stowed position and not used, how will its effective
weight change?

(A) It decreases (B) It increases (C) It will tip the crane (D) It stays the same -
CORRECT ANSWER-(B) It increases



(45.When operating a telescopic boom crane equipped with an anti two-block
prevention device, which hydraulic functions are disabled when the device is activated?
(A) Winch down, boom up, and retract the boom. (B) Swing, Winch down, and raise the
boom. (C) Hoist, extend the boom, and lower the boom. (D) Outrigger controls, retract
the boom, and swing. - CORRECT ANSWER-(C) Hoist, extend the boom, and lower the
boom.



46. A load applied at an angle to the vertical plane of the boom describes: (A) Over
loading (B) Side loading (C) Static loading (D) Angle loading - CORRECT ANSWER-(B)
Side loading



48. Hand signals must be posted conspicuously: (A) In the vicinity of hoisting operations
B. In the drivers cab of the crane (C) In the office. (D) In the load chart - CORRECT
ANSWER-(A) In the vicinity of hoisting operations

, Which crane hand signal is illustrated? (A) Retract the boom (B) Raise the boom (C)
Extend the boom (D) Lower the boom - CORRECT ANSWER-(C) Extend the boom the



Power lines would be a big concern when considering a crane's set up location, another
big concern could be? (A) Radio communication with signal person (B) Capacity of the
crane (C) Gang members, crack heads, & tweakers (D) Voids, tanks, loose fill, &
depressions - CORRECT ANSWER-(D) Voids, tanks, loose fill, & depressions



43. When inspecting the boom on a telescopic boom crane which item should be
inspected? (A) Float pads (B) Wear pads (C) Counterweight (D) Load block sheaves -
CORRECT ANSWER-(B) Wear pads Counterweight



(A) when it's reeved over the main boom tip (B) when it's reeved over the auxiliary boom
head (C) when it's on top of the boom (D) when it's reeved over the jib - CORRECT
ANSWER-C



45. When a crane operator leaves the crane, the operator must first: (A) Disengage the
PTO (B) Tum the engine off (C) Land all suspended loads (D) Secure the area and lock
out the controls. - CORRECT ANSWER-C



46. Cranes operating with long booms should be most concerned with winds coming
from the: (A) Rear of the boom (B) Side of the Boom (C) East (D) South. - CORRECT
ANSWER-(B)



47. According to OSHA 1926 Subpart CC which of the following is prohibited with wire
rope on a crane? (A) Splicing (B) Cutting (C) Severing (D) Lubricating - CORRECT
ANSWER-(A)



38. If a crane is not set-up level and the operator swings a load from the high side to low
side, the load radius will: (A) Increase (B) Decrease (C) Stay the same (D), Increase
two feet for every one-degree out of level - CORRECT ANSWER-(A)



39. Side loading may be caused by: (A) Starting or stopping the swing too rapidly (B)
Increasing the load radius (C) Raising or lowering the boom too rapidly (D) Raising or
lowering the load too rapidly - CORRECT ANSWER-A