NCCCO Overhead and Gantry Crane Operations

Question 1

According to OSHA 1910.179(b)(2), what information must be legibly marked on each side of an overhead or gantry crane?

Accepted Answer

The maximum rated load capacity

Answer

The crane manufacturer's name and model number

Answer

The installation date and last inspection date

Answer

The operator's certification number

Question 2

What is the primary purpose of a bridge travel end limit switch on an overhead crane?

Accepted Answer

To prevent the crane bridge from traveling past the end of the runway

Answer

To slow the bridge to creep speed before stopping at a programmed position

Answer

To trigger an alarm when the crane approaches another crane on the same runway

Answer

To automatically park the crane at a designated maintenance position

Question 3

Per ASME B30.2, a periodic inspection of an overhead crane in regular service must be conducted at intervals not exceeding:

Accepted Answer

1 year

Answer

90 days

Answer

6 months

Answer

2 years

Question 4

Which ASME standard specifically governs below-the-hook lifting devices used with overhead cranes?

Accepted Answer

ASME B30.20

Answer

ASME B30.5

Answer

ASME B30.9

Answer

ASME B30.26

Question 5

An overhead crane operator inadvertently activates the upper limit switch during hoisting. What is the correct immediate response?

Accepted Answer

Lower the hook immediately, and treat the upper limit switch as a safety backup rather than a routine stop

Answer

Continue hoisting slowly to confirm the limit switch is functioning correctly

Answer

Stop all crane movement and call for maintenance before doing anything

Answer

Reverse bridge travel direction to clear the limit switch fault

Question 6

After a major repair to a load-carrying structural member of an overhead crane, what action does ASME B30.2 require before the crane is returned to service?

Accepted Answer

A load test at 100% to 125% of rated capacity

Answer

A visual inspection by the certified crane inspector only

Answer

Submission of repair records to OSHA within 30 days

Answer

A functional test at 50% of rated capacity only