NCCER RIGGING EXAM QUESTIONS
AND ANSWERS
The point of any object's weight can be assumed to be concentrated at; - ANSWER -
Center of Gravity
In a split-gear chain hoist with a two chain system, the endless chain is used to: -
ANSWER -Raise and lower the load
In an emergency situation, what is the riggers FIRST priority? - ANSWER -To prevent
injury or loss of life
All of the following conditions exert dynamic loading on a crane EXCEPT:
a. Swinging
b. Adverse operating conditions
c. Static boom angle
d. Traveling - ANSWER -Static boom angle
Proper lead sheave placement as it relates to the hoisting drum location is: - ANSWER -
Proper spooling of wire rope
If both fists are placed in front of your body with your thumbs pointed outward, the crane
operator should: - ANSWER -Extend the boom sections
What is the MAXIMUM percent of the rated capacity of a crane that can be used to lift
personnel? - ANSWER -50%
When does lightning present the biggest hazard to the crane and rigging personnel? -
ANSWER -When thunder and lightning are apparent
What force would be required to move an object up an inclined plane compared to lifting
it vertically? - ANSWER -1 1/2 times more
Personnel platforms shall NOT be used to lift: - ANSWER -Tools and materials without
employees
All of the following are reasons for stopping personnel lifting operations EXCEPT :
a. The A-2-B (anti-two-block) malfunctions
b. Dangerous weather is approaching
c. Radio communication fail
d. There are no taglines - ANSWER -There are no taglines
When working in close quarters, the main concern is: - ANSWER -Safety
, The MOST important information to consider when planning a lift is: - ANSWER -Weight
of the load
Prior to use, all new, altered, modified, or repaired rigging hardware shall be inspected
by whom? - ANSWER -A designated person
24,000 lbs - ANSWER -What is the load on Block B in the figure provided?
12,000 lbs - ANSWER -What is the load on Block C in the figure provided?
6,240 lbs - ANSWER -What is the load on Block D in the figure provided?
16,920 lbs - ANSWER -What is the load on Block A in the figure provided?
What type of signals MUST a signal person use when tugger is mounted and the
operator CANNOT see the load being lifted? - ANSWER -Crane signals
Forward stability is affected by which of these forces?
a. Wind on the rear of the boom
b. Wind on the side of the boom
c. Wind on the side of the boom
d. Wind under the boom - ANSWER -Wind on the rear of the boom
Before finalizing a lift plan, the planner MUST consult with the site safety officer for
which of the following?
a. The equipment list
b. A job hazard analysis
c. The gross crane capacity
d. An emergency action plan - ANSWER -An emergency action plan
When a load's center of gravity is out-of-balance, what may the rigging supervisor
require? - ANSWER -An adjustable equalizer beam
When lifting personnel, rotation-resistant rope shall be rated to at least how many times
the MAXIMUM intended load? - ANSWER -10
Screw jack - ANSWER -What type of jack is shown in the figure provided?
290 lbs - ANSWER -What is the Total Applied Load on Block 2 of the figures provided,
rounded to the nearest whole number?
ASME Standard B30.9 makes which requirement about slings? - ANSWER -Slings must
be inspected daily before use
AND ANSWERS
The point of any object's weight can be assumed to be concentrated at; - ANSWER -
Center of Gravity
In a split-gear chain hoist with a two chain system, the endless chain is used to: -
ANSWER -Raise and lower the load
In an emergency situation, what is the riggers FIRST priority? - ANSWER -To prevent
injury or loss of life
All of the following conditions exert dynamic loading on a crane EXCEPT:
a. Swinging
b. Adverse operating conditions
c. Static boom angle
d. Traveling - ANSWER -Static boom angle
Proper lead sheave placement as it relates to the hoisting drum location is: - ANSWER -
Proper spooling of wire rope
If both fists are placed in front of your body with your thumbs pointed outward, the crane
operator should: - ANSWER -Extend the boom sections
What is the MAXIMUM percent of the rated capacity of a crane that can be used to lift
personnel? - ANSWER -50%
When does lightning present the biggest hazard to the crane and rigging personnel? -
ANSWER -When thunder and lightning are apparent
What force would be required to move an object up an inclined plane compared to lifting
it vertically? - ANSWER -1 1/2 times more
Personnel platforms shall NOT be used to lift: - ANSWER -Tools and materials without
employees
All of the following are reasons for stopping personnel lifting operations EXCEPT :
a. The A-2-B (anti-two-block) malfunctions
b. Dangerous weather is approaching
c. Radio communication fail
d. There are no taglines - ANSWER -There are no taglines
When working in close quarters, the main concern is: - ANSWER -Safety
, The MOST important information to consider when planning a lift is: - ANSWER -Weight
of the load
Prior to use, all new, altered, modified, or repaired rigging hardware shall be inspected
by whom? - ANSWER -A designated person
24,000 lbs - ANSWER -What is the load on Block B in the figure provided?
12,000 lbs - ANSWER -What is the load on Block C in the figure provided?
6,240 lbs - ANSWER -What is the load on Block D in the figure provided?
16,920 lbs - ANSWER -What is the load on Block A in the figure provided?
What type of signals MUST a signal person use when tugger is mounted and the
operator CANNOT see the load being lifted? - ANSWER -Crane signals
Forward stability is affected by which of these forces?
a. Wind on the rear of the boom
b. Wind on the side of the boom
c. Wind on the side of the boom
d. Wind under the boom - ANSWER -Wind on the rear of the boom
Before finalizing a lift plan, the planner MUST consult with the site safety officer for
which of the following?
a. The equipment list
b. A job hazard analysis
c. The gross crane capacity
d. An emergency action plan - ANSWER -An emergency action plan
When a load's center of gravity is out-of-balance, what may the rigging supervisor
require? - ANSWER -An adjustable equalizer beam
When lifting personnel, rotation-resistant rope shall be rated to at least how many times
the MAXIMUM intended load? - ANSWER -10
Screw jack - ANSWER -What type of jack is shown in the figure provided?
290 lbs - ANSWER -What is the Total Applied Load on Block 2 of the figures provided,
rounded to the nearest whole number?
ASME Standard B30.9 makes which requirement about slings? - ANSWER -Slings must
be inspected daily before use
