NCCER Crane Crane Safety Devices & Operational Aids 2

Question 1

Under OSHA 1926.1416, a Category I operational aid such as the anti two-block device that stops working must be repaired within how many calendar days?

Accepted Answer

7 calendar days

Answer

OSHA requires Category I aids (boom hoist limiter, luffing jib limiter, anti two-block) to be repaired within 7 calendar days of the deficiency.

Question 2

How long does OSHA allow for repairing a malfunctioning Category II operational aid such as a boom angle indicator?

Accepted Answer

30 calendar days

Answer

Category II aids, such as boom angle and load weighing devices, must be repaired within 30 calendar days.

Question 3

While the anti two-block device on a telescopic boom crane is out of service, which temporary alternative measure does OSHA accept?

Accepted Answer

Clearly mark the hoist cable so the operator can see it and use a spotter

Answer

For telescopic booms, the temporary alternative is to mark the cable where the operator can see it and use a spotter when extending the boom.

Question 4

Which item does OSHA 1926.1415 classify as a safety device rather than an operational aid?

Accepted Answer

Crane level indicator

Answer

The crane level indicator is a required safety device under 1926.1415, while the others are operational aids under 1926.1416.

Question 5

If a required safety device under OSHA 1926.1415 is not working properly, what must the operator do?

Accepted Answer

Stop crane operations until the device is working again

Answer

Unlike operational aids, safety devices have no temporary alternative; operations must cease until the device is repaired.

(NCCER Crane) National Center for Construction Education and Research Crane Certification Practice Test

(NCCER Crane) National Center for Construction Education and Research Crane Certification Practice Test

NCCER Crane Crane Safety Devices & Operational Aids 2