CCO CORE CERTIFICATION

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CCO CORE CERTIFICATION

TEST WITH 400 PREP QUESTIONS AND

CORRECT ANSWERS/ NCCCO CORE

CRANE OPERATOR CERTIFICATION

EXAM (NEW!!)

The safest speed for a crane carrying a load is:

• the manufacturer's speed limit
• the job site's speed limit
• the speed recommended by the superintendent
• the speed recommended by the oiler - ANSWER-A) the manufacturer's speed

limit

When an operator arrives at the jobsite and the crane is already erected, how would the operator check the main and auxiliary hoist brakes?

a) Check pedal for the correct feel

b) Rely on the superintendent to verify the brakes are functioning properly c) Make

the lift and see what happens

d) Lift the load off the ground and apply the brake - ANSWER-d) Lift the load off

the ground and apply the brake If the SWL of a cranes wire rope is 10,000 lbs using one part, what is the SWL when using 4 parts?

• 10,000 lbs.
• 20,000 lbs.
• 30,000 lbs.
• 40,000 lbs. - ANSWER-D) 40,000 lbs
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pg. 2 When first arriving on the jobsite, the operator should first determine the condition

of the:

a) Cranes setup location

b) Access roads

c) Parking Lot

d) Headache ball - ANSWER-B) access roads

When operating a truck crane what is the most unstable allowable quadrant of operation? a) Front

b) Rear

c) Side

d) Corner - ANSWER-C) Side

What is not a good location for crane setup? a) Top of a hill

b) Hard fill

c) Above utilities

d) Concrete - ANSWER-C) above utilities

What is the difference between an Anti-two-block warning and an Anti-two-block prevention system?

a) Warning device only warns, but prevention system will stop the operation

b) Prevention system only warns, but warning device stops the operation

c) Both are the same

d) Both will warn and stop the dangerous operation - ANSWER-a) Warning device

only warns, but prevention system will stop the operation

Who gives the operator hand signals? 2 / 4

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a) The foreman

b) The Superintendent

c) The qualified person

d) Anyone who wants to. - ANSWER-C) the qualified person

Why use mats or cribbing?

a) To lift outriggers or crawler off the ground

b) To reduce ground pressure

c) For long boom cranes

d) To stop mud from entering crawlers - ANSWER-B) to reduce ground pressure

Tipping capacities of RT cranes with retracted outriggers are based on what percentage of tipping?

• 70%
• 80%
• 85%
• 75% - ANSWER-D) 75

Should the load be applied when determining the proper boom angle?

a) Yes

b) No

c) Depends on lift conditions

d) Only during critical lifts - ANSWER-A) yes

When should the operator use the run by the seat of the pants technique?

a) Always 3 / 4

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b) Never

c) When not making a critical lift

d) Only when making a critical lift - ANSWER-B) never

Load radius is the distance from the center of gravity of the suspended load to the:

a) Center of rotation

b) Center of gravity of the crane

c) Tipping Axis

d) Hook rollers - ANSWER-A) center of rotation

What is the primary reason for using a boom extension?

a) Increase load radius

b) Decrease load radius

c) Increase height

d) Increase reach - ANSWER-C) increase height

What is the minimum design factor required for a right regular lay main, boom or auxiliary hoist rope?

• 5
• 3.5
• 2.5
• 7 - ANSWER-B) 3.5

When telescoping the boom section of an R/T, which section should be telescoped first?

a) First

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