NCCCO TOWER CRANE - - Question 1: What should be checked for proper f...

NCCCO TOWER CRANE -

100% CORRECT ANSWERS

Answers to Questions:

Question 1:

What should be checked for proper fluid level in hydraulic systems?

Correct Answer: D - Hydraulic systems

Explanation: Hydraulic systems require proper fluid levels to ensure

efficient operation and to avoid potential damage caused by insufficient lubrication or cooling.

Question 2:

Who is responsible for determining if the load weight does not exceed the crane rating at the designated radius for lifting?Correct Answer: B - Person responsible for lift 1 / 3

Explanation: It is the responsibility of the person in charge of the lift to

ensure the load weight is within the crane's rated capacity for the given radius, ensuring safe lifting operations.

Question 3:

Where should climbing instructions be kept on a site?

Correct Answer: D - In the crane cab

Explanation: Climbing instructions must be readily accessible and are

typically kept in the crane cab for immediate reference during operations.

Question 4:

What is the main power switch location for a tower crane?

Correct Answer: D - Base of crane

Explanation: The main power switch is generally located at the base of

the tower crane to facilitate easy access for power control or in emergencies.

Question 5:

What is the minimum clearance required between power lines rated at 175KV and any part of the crane or load?

Correct Answer: C - 15 feet

Explanation: A minimum clearance of 15 feet is required to prevent

electrical hazards when operating near power lines with a rating of

175KV. 2 / 3

Question 6:

What is the minimum number of voice signal elements in each series when lifting personnel?

Correct Answer: D - 2

Explanation: Clear communication is critical, and a minimum of two

voice signal elements per series ensures clarity and safety during personnel lifting.

Question 7:

What is the condition when the tower load block or hook assembly comes in contact with the upper part of the tower?

Correct Answer: B - Overtravel

Explanation: Overtravel occurs when the load block or hook assembly

makes contact with the upper part of the tower, potentially leading to unsafe conditions.

Question 8:

What is the minimum pitch diameter for load hoisting sheaves according to ASME B30.3?

Correct Answer: C - Less than 18 times rope diameter

Explanation: ASME B30.3 specifies that the pitch diameter of load

hoisting sheaves must be at least 18 times the diameter of the rope to ensure proper functionality and safety.

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