NCCCO MOBILE CRANE OPERATOR
PREPARATION TEST 2026 QUESTIONS AND
CORRECT ANSWERS GRADED A+
● While performing a shift inspection, which one of these is required to
be inspected as per OSHA 1926.1412?
A. Hooks & Latches for Deformation
B. Sheaves and Drums for Cracks
C. Pins, Bearings, and Locking Devices for Significant Wear
D. Hydraulic Pumps and Motors. Answer: A. Hooks and Latches
● According to the B30.5 mobile crane standard, how many randomly
distributed broken wires in rotation-resistant rope requires replacement
of the rope?. Answer: 2 broken wires in 6 rope diameters
● Boom length is measured from the:. Answer: Boom hinge pins to the
center of the boom tip sheave
● According to OSHA 1926.1400 a competent person is defined as:.
Answer: One who is capable of identifying existing & predictable
hazards in the surroundings or working conditions,
which are unsanitary, hazardous, or dangerous to employees
, and who has authorization to take prompt corrective measures to
eliminate them.
● If a load test is done on a repaired crane, the load must not exceed
what percentage of the manufacturers crane rating, without
manufacturers approval?. Answer: 100%
● According to OSHA 1926 sub-part CC when is a qualified rigger
required?. Answer: When employees are in the fall zone.
● Span/Corner blocking could cause the float to fail at ______________
of it's capacity?. Answer: 50%
● When working around power lines that are 750kv what is the
minimum clearance generally required from any part of the crane and its
load?. Answer: 35 feet
● On a crawler crane, the part of the load chart governed by stability is
based on what percentage of its capacity?. Answer: 75%
● What is the maximum windspeed allowed when hoisting personell?.
Answer: 20 mph
● When using 2 cranes to make a pick, what percentage of the net
capacity should be used for this type of operation?. Answer: 75%
PREPARATION TEST 2026 QUESTIONS AND
CORRECT ANSWERS GRADED A+
● While performing a shift inspection, which one of these is required to
be inspected as per OSHA 1926.1412?
A. Hooks & Latches for Deformation
B. Sheaves and Drums for Cracks
C. Pins, Bearings, and Locking Devices for Significant Wear
D. Hydraulic Pumps and Motors. Answer: A. Hooks and Latches
● According to the B30.5 mobile crane standard, how many randomly
distributed broken wires in rotation-resistant rope requires replacement
of the rope?. Answer: 2 broken wires in 6 rope diameters
● Boom length is measured from the:. Answer: Boom hinge pins to the
center of the boom tip sheave
● According to OSHA 1926.1400 a competent person is defined as:.
Answer: One who is capable of identifying existing & predictable
hazards in the surroundings or working conditions,
which are unsanitary, hazardous, or dangerous to employees
, and who has authorization to take prompt corrective measures to
eliminate them.
● If a load test is done on a repaired crane, the load must not exceed
what percentage of the manufacturers crane rating, without
manufacturers approval?. Answer: 100%
● According to OSHA 1926 sub-part CC when is a qualified rigger
required?. Answer: When employees are in the fall zone.
● Span/Corner blocking could cause the float to fail at ______________
of it's capacity?. Answer: 50%
● When working around power lines that are 750kv what is the
minimum clearance generally required from any part of the crane and its
load?. Answer: 35 feet
● On a crawler crane, the part of the load chart governed by stability is
based on what percentage of its capacity?. Answer: 75%
● What is the maximum windspeed allowed when hoisting personell?.
Answer: 20 mph
● When using 2 cranes to make a pick, what percentage of the net
capacity should be used for this type of operation?. Answer: 75%
