NCCCO Tower Crane Certification Practice Test 2025: (TWR) Exam Prep & Study Guide

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NCCCO Tower Crane / NCCCO Core Exams ( 2025

UPDATES STUDY BUNDLE WITH COMPLETE SOLUTIONS)

Questions and 100% Correct Verified Answers | Grade

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

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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

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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

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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