NCCCO MOBILE CRANE OPERATOR
CERTIFICATION PRACTICE EXAM (A NEW UPDATED
VERSION 2024/2025) COMPLETE ACTUAL TEST
QUESTIONS AND CORRECT DETAILED ANSWERS
(CORRECT VERIFIED ANSWERS) |ALREADY
GRADED A+ (BRAND NEW!!)
Determine if this statement is true or false. It is safe to climb
under a boom to knock out the boom pins if the crane has
tension on the pendant lines.
Answer- False
What important step must be followed when welding a
damaged crane boom?
- Follow manufacturers welding procedure
- Have a welder certified to the correct welding procedure
- Use correct welding rods and heat treatment
Answer- - All of the above (answer)
,What position should the gantry of a crane be in when lifting a
load?
Answer- Highest position
Jib forestay and backstay pendant lines should be:
Answer- Of equal length, or the backstay pendant lines should
be longer
Determine if this statement is true or false. Jib capacity
"increases" as the angle to the ground decreases.
Answer- False
Determine if this statement is true or false. On most cranes the
jib hoist and boom hoist can be safely operated simultaneously.
Answer- False
Which of the following is an auxiliary boom, or an extension of
the main boom?
,Answer- Jib
Determine if this statement is true or false. As crane signaling is
only a basic function and the signalperson knows where the
loads will be positioned, training or testing of the signalperson
should not be required.
Answer- False
When using hand signals to direct a crane operator, an
extended arm with the thumb vertical and the fingers opening
and closing into a fist indicates:
Answer- Raise boom and lower load
Two closed fists with both thumbs pointing toward each other
is the signal for:
Answer- Retract hydraulic boom
Which of the following is not a permitted use of an "operational
aid"?
Answer- Used to test weigh a load prior to hoisting
, Determine if this statement is true or false. Any crane
component can be used on any other crane made by the same
company.
Answer- False
A rough terrain crane is commonly referred to as:
Answer- Cherry picker
Which of these conditions could be dangerous when operating
a crane around a newly constructed building?
Answer- Uncompacted soil
When hoisting on outriggers with a permitted 360 degree
swing, which position is the most hazardous in most
conditions?
Answer- Over corner
Determine if this statement is true or false. The ground
pressure under outriggers is higher than it is under a crawler
track because of a smaller bearing surface.
CERTIFICATION PRACTICE EXAM (A NEW UPDATED
VERSION 2024/2025) COMPLETE ACTUAL TEST
QUESTIONS AND CORRECT DETAILED ANSWERS
(CORRECT VERIFIED ANSWERS) |ALREADY
GRADED A+ (BRAND NEW!!)
Determine if this statement is true or false. It is safe to climb
under a boom to knock out the boom pins if the crane has
tension on the pendant lines.
Answer- False
What important step must be followed when welding a
damaged crane boom?
- Follow manufacturers welding procedure
- Have a welder certified to the correct welding procedure
- Use correct welding rods and heat treatment
Answer- - All of the above (answer)
,What position should the gantry of a crane be in when lifting a
load?
Answer- Highest position
Jib forestay and backstay pendant lines should be:
Answer- Of equal length, or the backstay pendant lines should
be longer
Determine if this statement is true or false. Jib capacity
"increases" as the angle to the ground decreases.
Answer- False
Determine if this statement is true or false. On most cranes the
jib hoist and boom hoist can be safely operated simultaneously.
Answer- False
Which of the following is an auxiliary boom, or an extension of
the main boom?
,Answer- Jib
Determine if this statement is true or false. As crane signaling is
only a basic function and the signalperson knows where the
loads will be positioned, training or testing of the signalperson
should not be required.
Answer- False
When using hand signals to direct a crane operator, an
extended arm with the thumb vertical and the fingers opening
and closing into a fist indicates:
Answer- Raise boom and lower load
Two closed fists with both thumbs pointing toward each other
is the signal for:
Answer- Retract hydraulic boom
Which of the following is not a permitted use of an "operational
aid"?
Answer- Used to test weigh a load prior to hoisting
, Determine if this statement is true or false. Any crane
component can be used on any other crane made by the same
company.
Answer- False
A rough terrain crane is commonly referred to as:
Answer- Cherry picker
Which of these conditions could be dangerous when operating
a crane around a newly constructed building?
Answer- Uncompacted soil
When hoisting on outriggers with a permitted 360 degree
swing, which position is the most hazardous in most
conditions?
Answer- Over corner
Determine if this statement is true or false. The ground
pressure under outriggers is higher than it is under a crawler
track because of a smaller bearing surface.
