NCCCO TSS MANITEX EXAM 2024
ACTUAL EXAM 2024 WITH
VERIFIED ANSWERS| BRAND NEW
VERSION WITH 100% CORRECT
ANSWERS
When the number of layers of wire rope on a drum increases the:
A) Allowable line pull decreases
B) Allowable line pull increases
C) Allowable line pull remains the same
D) Allowable line pull can't be calculated CORRECT ANSWER: A) Allowable line pull
decreases
What is the weakest quadrant of a boom truck? CORRECT ANSWER: Front
On a mobile crane, side loading of the boom could be caused by which of the following?
A) Starting or stopping the swing too rapidly
B) Raising or lowering the load too rapidly
C) Raising or lowering the boom too rapidly
D) Starting or stopping the engine too rapidly CORRECT ANSWER: A) Starting or
stopping the swing too rapidly
What effect would blocking up the ends of the tracks have on a crane? CORRECT
ANSWER: It would increase capacity over the ends
The tipping axis of a crawler crane is? CORRECT ANSWER: It depends if the idler or
sprocket are offset from track rollers
Which person listed below, has the responsibility for determining the correct weight of a
load?
A) Crane Operator
B) Crane Owner
C) Lift Director
D) Signal Person CORRECT ANSWER: C) Lift Director
What must an operator do when an operator leave the controls of the crane for an
extended period of time?
A) Apply all brakes and dogs, and leave the load suspended
B) Apply all brakes and dogs, and lower the load to the ground
C) Apply all brakes and dogs, and lower boom to ground
,D) Apply only swing brake and leave the engine running CORRECT ANSWER: B)
Apply all brakes and dogs, and lower the load to the ground
According to ASME B30.5 what percentage should not be exceeded on a mobile crane
during a load test? CORRECT ANSWER: 100%
Abruptly stopping a rapid swing on a long -boom mobile crane will produce what major
effect
A) Overheating the swing brake
B) Collapsing the boom
C) Increasing ground pressure
D) Overheating the race and bearings CORRECT ANSWER: B) Collapsing the boom
When should a tag line be used, during the hoisting of material?
A) When the rotation of the load would be dangerous
B) When the rigger is not certain of the loads stability
C) When only one signal person is required to signal lift
D) When the lift director leaves the lifting area of the crane CORRECT ANSWER: A)
When the rotation of the load would be dangerous
What percentage of the rated capacity of a mobile crane must be used when lifting with
two cranes attached to the same load?
A) 85%
B) 75%
C) 50%
D) 90% CORRECT ANSWER: B) 75%
From strongest to weakest put the following hitches in order CORRECT ANSWER:
Basket, vertical, choker
When lifting a load with two mobile cranes, it is very important to
A) Use only cranes from the same manufacturer
B) Use only cranes with the same rated capacity
C) Keep the working radius of both cranes identical
D) Keep the hoist lines of both cranes vertical CORRECT ANSWER: D) Keep the hoist
lines of both cranes vertical
If lifting a load with two mobile cranes of different rated capacities, the crane with the
larger rated capacity should:
A) Be hooked at an equal distance from the loads center of gravity
B) Be hooked at a distance closer to the loads center of gravity
C) Be hooked at the loads center of gravity
D) Be hooked at a distance farther from the loads center of gravity CORRECT
ANSWER: B) Be hooked at a distance closer to the loads center of gravity
Which of the following should synthetic slings not be used around? CORRECT
ANSWER: Acid
,When determining the position to a mobile crane should be left in over night, with high
winds in the forecast the operator should:
A) Tie off to the closest solid structure with the wind in the front
B) Tie off to the closest solid structure with the wind in the back
C) Put the crane in weather vane position
D) Follow manufacturers recommendations CORRECT ANSWER: D) Follow
manufacturers recommendations
When performing a multiple crane lift it is important for the operator of each crane to
understand that:
A) The weight is equally distributed at all times during the lift
B) The weight is never equally distributed during the crane lift
C) The weight may increase if the other crane lands the load
D) The weight may decrease if the other crane lands the load CORRECT ANSWER: C)
The weight may increase if the other crane lands the load
When lifting loads that are submerged under water with a mobile crane, what is one of
the conditions that the operator should be familiar with?
A) Current can change and cause the crane to tip over
B) Brakes or dogs on the crane could get wet and slip
C) Boom and extension can't be removed without high tide
D) Load will increase when lifting the load out of the water CORRECT ANSWER: D)
Load will increase when lifting the load out of the water
When lifting over water with a personnel platform, what are the occupants of the
platform required to wear?
A) A body harness
B) A waist belt
C) A floatation device
D) A full face respirator CORRECT ANSWER: C) A floatation device
If a mobile crane is NOT set-up level and the operator swing the load from the high side
to the low side, what effect will that have on the radius?
A) The radius will decrease
B) The radius stays the same
C) The radius can't be calculated
D) The radius increase CORRECT ANSWER: D) The radius increase
Increasing the distance from the crane's center of gravity to the tipping axis will have
what effect on a mobile crane?
A) Increase stability
B) Decrease stability
C) Increase structural competence
D) Decrease structural competence CORRECT ANSWER: B) Decrease stability
Backward Stability of a mobile crane is tested in which configuration listed below?
, A) Basic Boom at maximum angle with maximum load
B) Maximum boom at maximum angle with maximum load
C) Basic boom at minimum angle with no load
D) Basic boom at maximum angle with no load CORRECT ANSWER: D) Basic boom
at maximum angle with no load
What is the minimum pitch diameter used for sheaves in a boom hoist reeving system
using rotation resistant wire rope?
A) Not less than 15 times rope diameter. Boom hoist
B) Not less than 16 times rope diameter. load block
C) Not less than 18 times rope diameter, Load hoisting- this is the one on the test
D) Not less than 20 times rope diameter CORRECT ANSWER: A) Not less than 15
times rope diameter. Boom hoist
When can capacity altering modifications be made to mobile cranes?
A) Capacity altering modifications may not e made to mobile cranes
B) When lifting in the tipping portion of the load chart
C) When lifting in the structural portion of the load chart
D) When permission is given by the crane manufacturer CORRECT ANSWER: D)
When permission is given by the crane manufacturer
A crane is at the point of instability when the crane's leverage on the load equals:
A) 100% of the load's leverage on crane
B) 90% of the load's leverage on crane
C) 85% of the loads leverage on crane
D) 75% of the load's leverage on crane CORRECT ANSWER: A) 100% of the load's
leverage on crane
Who must determine maximum speed for a mobile crane to travel with a suspended
load?
A) The competent person
B) The job Site
C) The superintendent
D) The craft foreman CORRECT ANSWER: A) The competent person
Deflection of the boom while operating a mobile crane will increase?
A) Load Radius
B) Weight of Boom
C) Load Weight
D) Crane Stability CORRECT ANSWER: A) Load Radius
A sudden start or stop of the hoisting function while operating a mobile crane can
produce a:
A) Static load
B) Dynamic Load
C) Eccentric Load
D) Symmetrical Load CORRECT ANSWER: B) Dynamic Load
ACTUAL EXAM 2024 WITH
VERIFIED ANSWERS| BRAND NEW
VERSION WITH 100% CORRECT
ANSWERS
When the number of layers of wire rope on a drum increases the:
A) Allowable line pull decreases
B) Allowable line pull increases
C) Allowable line pull remains the same
D) Allowable line pull can't be calculated CORRECT ANSWER: A) Allowable line pull
decreases
What is the weakest quadrant of a boom truck? CORRECT ANSWER: Front
On a mobile crane, side loading of the boom could be caused by which of the following?
A) Starting or stopping the swing too rapidly
B) Raising or lowering the load too rapidly
C) Raising or lowering the boom too rapidly
D) Starting or stopping the engine too rapidly CORRECT ANSWER: A) Starting or
stopping the swing too rapidly
What effect would blocking up the ends of the tracks have on a crane? CORRECT
ANSWER: It would increase capacity over the ends
The tipping axis of a crawler crane is? CORRECT ANSWER: It depends if the idler or
sprocket are offset from track rollers
Which person listed below, has the responsibility for determining the correct weight of a
load?
A) Crane Operator
B) Crane Owner
C) Lift Director
D) Signal Person CORRECT ANSWER: C) Lift Director
What must an operator do when an operator leave the controls of the crane for an
extended period of time?
A) Apply all brakes and dogs, and leave the load suspended
B) Apply all brakes and dogs, and lower the load to the ground
C) Apply all brakes and dogs, and lower boom to ground
,D) Apply only swing brake and leave the engine running CORRECT ANSWER: B)
Apply all brakes and dogs, and lower the load to the ground
According to ASME B30.5 what percentage should not be exceeded on a mobile crane
during a load test? CORRECT ANSWER: 100%
Abruptly stopping a rapid swing on a long -boom mobile crane will produce what major
effect
A) Overheating the swing brake
B) Collapsing the boom
C) Increasing ground pressure
D) Overheating the race and bearings CORRECT ANSWER: B) Collapsing the boom
When should a tag line be used, during the hoisting of material?
A) When the rotation of the load would be dangerous
B) When the rigger is not certain of the loads stability
C) When only one signal person is required to signal lift
D) When the lift director leaves the lifting area of the crane CORRECT ANSWER: A)
When the rotation of the load would be dangerous
What percentage of the rated capacity of a mobile crane must be used when lifting with
two cranes attached to the same load?
A) 85%
B) 75%
C) 50%
D) 90% CORRECT ANSWER: B) 75%
From strongest to weakest put the following hitches in order CORRECT ANSWER:
Basket, vertical, choker
When lifting a load with two mobile cranes, it is very important to
A) Use only cranes from the same manufacturer
B) Use only cranes with the same rated capacity
C) Keep the working radius of both cranes identical
D) Keep the hoist lines of both cranes vertical CORRECT ANSWER: D) Keep the hoist
lines of both cranes vertical
If lifting a load with two mobile cranes of different rated capacities, the crane with the
larger rated capacity should:
A) Be hooked at an equal distance from the loads center of gravity
B) Be hooked at a distance closer to the loads center of gravity
C) Be hooked at the loads center of gravity
D) Be hooked at a distance farther from the loads center of gravity CORRECT
ANSWER: B) Be hooked at a distance closer to the loads center of gravity
Which of the following should synthetic slings not be used around? CORRECT
ANSWER: Acid
,When determining the position to a mobile crane should be left in over night, with high
winds in the forecast the operator should:
A) Tie off to the closest solid structure with the wind in the front
B) Tie off to the closest solid structure with the wind in the back
C) Put the crane in weather vane position
D) Follow manufacturers recommendations CORRECT ANSWER: D) Follow
manufacturers recommendations
When performing a multiple crane lift it is important for the operator of each crane to
understand that:
A) The weight is equally distributed at all times during the lift
B) The weight is never equally distributed during the crane lift
C) The weight may increase if the other crane lands the load
D) The weight may decrease if the other crane lands the load CORRECT ANSWER: C)
The weight may increase if the other crane lands the load
When lifting loads that are submerged under water with a mobile crane, what is one of
the conditions that the operator should be familiar with?
A) Current can change and cause the crane to tip over
B) Brakes or dogs on the crane could get wet and slip
C) Boom and extension can't be removed without high tide
D) Load will increase when lifting the load out of the water CORRECT ANSWER: D)
Load will increase when lifting the load out of the water
When lifting over water with a personnel platform, what are the occupants of the
platform required to wear?
A) A body harness
B) A waist belt
C) A floatation device
D) A full face respirator CORRECT ANSWER: C) A floatation device
If a mobile crane is NOT set-up level and the operator swing the load from the high side
to the low side, what effect will that have on the radius?
A) The radius will decrease
B) The radius stays the same
C) The radius can't be calculated
D) The radius increase CORRECT ANSWER: D) The radius increase
Increasing the distance from the crane's center of gravity to the tipping axis will have
what effect on a mobile crane?
A) Increase stability
B) Decrease stability
C) Increase structural competence
D) Decrease structural competence CORRECT ANSWER: B) Decrease stability
Backward Stability of a mobile crane is tested in which configuration listed below?
, A) Basic Boom at maximum angle with maximum load
B) Maximum boom at maximum angle with maximum load
C) Basic boom at minimum angle with no load
D) Basic boom at maximum angle with no load CORRECT ANSWER: D) Basic boom
at maximum angle with no load
What is the minimum pitch diameter used for sheaves in a boom hoist reeving system
using rotation resistant wire rope?
A) Not less than 15 times rope diameter. Boom hoist
B) Not less than 16 times rope diameter. load block
C) Not less than 18 times rope diameter, Load hoisting- this is the one on the test
D) Not less than 20 times rope diameter CORRECT ANSWER: A) Not less than 15
times rope diameter. Boom hoist
When can capacity altering modifications be made to mobile cranes?
A) Capacity altering modifications may not e made to mobile cranes
B) When lifting in the tipping portion of the load chart
C) When lifting in the structural portion of the load chart
D) When permission is given by the crane manufacturer CORRECT ANSWER: D)
When permission is given by the crane manufacturer
A crane is at the point of instability when the crane's leverage on the load equals:
A) 100% of the load's leverage on crane
B) 90% of the load's leverage on crane
C) 85% of the loads leverage on crane
D) 75% of the load's leverage on crane CORRECT ANSWER: A) 100% of the load's
leverage on crane
Who must determine maximum speed for a mobile crane to travel with a suspended
load?
A) The competent person
B) The job Site
C) The superintendent
D) The craft foreman CORRECT ANSWER: A) The competent person
Deflection of the boom while operating a mobile crane will increase?
A) Load Radius
B) Weight of Boom
C) Load Weight
D) Crane Stability CORRECT ANSWER: A) Load Radius
A sudden start or stop of the hoisting function while operating a mobile crane can
produce a:
A) Static load
B) Dynamic Load
C) Eccentric Load
D) Symmetrical Load CORRECT ANSWER: B) Dynamic Load
