NCCCO Tower Crane EXAM 2023-2024 ACTUAL EXAM 100 QUESTIONS AND CORRECT DETAILED ANSWERS ANSWERS ALREADY GRADED A

NCCCO Tower Crane EXAM 2023-2024
ACTUAL EXAM 100 QUESTIONS AND
CORRECT DETAILED ANSWERS
ANSWERS ALREADY GRADED A
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 - ANSWERQualified 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 - ANSWERManufacturer
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 - ANSWERInsulated 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