NCCCO tower crane Exam Latest Update
Complete Questions with Verified Answers
Splices in rall tracks shall have - ANSWER Smooth Joints
Hydraulic systems should have their proper fluid level checked - ANSWER Daily
If power fails during operations, the following shouldn't apply - ANSWER Do your best to
finish moving load where it was designated to go
If load is undetermined who is to find out if load weight does not exceed crane rating at radius
at which the load is to be lifted - ANSWER Person responsible for lift
Where should climbing instructions be kept - ANSWER ON Site
All climbing operations shall be performed under the supervision of - ANSWER Qualified
person
When cranes are erected, load limiting devices shall be tested for proper setting and
operation - ANSWER Before crane is placed in service
Hooks shall be equipped with latches unless the application makes the use of the latch -
ANSWER Impractical
Size and position of signs or panels must satisfy the limitations of - ANSWER Manufacturer
Fall prevention measures are needed for working at locations where you are exposed -
ANSWER To a fall of 6ft or more
Travel distance on hand levers shall not be greater - ANSWER than 14 inches from neutral
position
For power lines rated 175KV the minimum clearance between the lines and any part of the
crane or load is - ANSWER 15ft
All controls shall be tested by the operator at the - ANSWER start of new shift
Before each climbing operation all load members of the support system shall be - ANSWER
Inspected
Chain slings are required to be - ANSWER ID tagged
Welding on loads suspended by the crane can only be done if the load has - ANSWER
Insulated slings
, How much does an average cubic yard of concrete weight - ANSWER 4,000 lbs
Main power switch for tower crane is - ANSWER At base of crane
Items not listed in the frequent inspection checklist are - ANSWER Hydraulic pumps and
valves for excessive wear or damage
When is it necessary to determine that there is no practical alternative way to perform the
needed work or to gain access to the area - ANSWER Personnel Lift
Each series of voice signals shall contain three elements stated in the following order -
ANSWER Function and Direction - Distance and speed - Function stop
When lifting personnel communication shall be maintained between three of the next four -
ANSWER Person(s) being lifted - Operator - Signal person
The condition when the tower load block or hook assembly comes in contact with the upper -
ANSWER Two-blocking
Load bearing members of the climbing and support system shall be inspected before each -
ANSWER Climbing operation
Where shall a wind velocity indicating device be mounted - ANSWER At or near the top of
crane
A velocity readout shall be provided - ANSWER At the operators station
The area inside the self erecting tower cranes tail swing must be - ANSWER Barricaded
The self erecting tower crane must be properly grounded according with the - ANSWER
National electric code (NEC)
Self Erecting tower crane erection must be performed by - ANSWER Qualified person
Extensive planning must occur before a self erecting tower crane arrives on the job site. The
plan should be divided into two major sections as follows - ANSWER Delivery, set up,
erection and dismantle - Lifting operations
According to ASME B30.3 the minimum wraps to be left on a hoist drum are - ANSWER 3
How much does a cubic foot of steel weigh - ANSWER 490lbs
When operating a tower crane and there is an uncontrolled movement, the operator should -
ANSWER Engage emergency stop
Complete Questions with Verified Answers
Splices in rall tracks shall have - ANSWER Smooth Joints
Hydraulic systems should have their proper fluid level checked - ANSWER Daily
If power fails during operations, the following shouldn't apply - ANSWER Do your best to
finish moving load where it was designated to go
If load is undetermined who is to find out if load weight does not exceed crane rating at radius
at which the load is to be lifted - ANSWER Person responsible for lift
Where should climbing instructions be kept - ANSWER ON Site
All climbing operations shall be performed under the supervision of - ANSWER Qualified
person
When cranes are erected, load limiting devices shall be tested for proper setting and
operation - ANSWER Before crane is placed in service
Hooks shall be equipped with latches unless the application makes the use of the latch -
ANSWER Impractical
Size and position of signs or panels must satisfy the limitations of - ANSWER Manufacturer
Fall prevention measures are needed for working at locations where you are exposed -
ANSWER To a fall of 6ft or more
Travel distance on hand levers shall not be greater - ANSWER than 14 inches from neutral
position
For power lines rated 175KV the minimum clearance between the lines and any part of the
crane or load is - ANSWER 15ft
All controls shall be tested by the operator at the - ANSWER start of new shift
Before each climbing operation all load members of the support system shall be - ANSWER
Inspected
Chain slings are required to be - ANSWER ID tagged
Welding on loads suspended by the crane can only be done if the load has - ANSWER
Insulated slings
, How much does an average cubic yard of concrete weight - ANSWER 4,000 lbs
Main power switch for tower crane is - ANSWER At base of crane
Items not listed in the frequent inspection checklist are - ANSWER Hydraulic pumps and
valves for excessive wear or damage
When is it necessary to determine that there is no practical alternative way to perform the
needed work or to gain access to the area - ANSWER Personnel Lift
Each series of voice signals shall contain three elements stated in the following order -
ANSWER Function and Direction - Distance and speed - Function stop
When lifting personnel communication shall be maintained between three of the next four -
ANSWER Person(s) being lifted - Operator - Signal person
The condition when the tower load block or hook assembly comes in contact with the upper -
ANSWER Two-blocking
Load bearing members of the climbing and support system shall be inspected before each -
ANSWER Climbing operation
Where shall a wind velocity indicating device be mounted - ANSWER At or near the top of
crane
A velocity readout shall be provided - ANSWER At the operators station
The area inside the self erecting tower cranes tail swing must be - ANSWER Barricaded
The self erecting tower crane must be properly grounded according with the - ANSWER
National electric code (NEC)
Self Erecting tower crane erection must be performed by - ANSWER Qualified person
Extensive planning must occur before a self erecting tower crane arrives on the job site. The
plan should be divided into two major sections as follows - ANSWER Delivery, set up,
erection and dismantle - Lifting operations
According to ASME B30.3 the minimum wraps to be left on a hoist drum are - ANSWER 3
How much does a cubic foot of steel weigh - ANSWER 490lbs
When operating a tower crane and there is an uncontrolled movement, the operator should -
ANSWER Engage emergency stop
