Pipefitter Safety Procedures and Regulations 2

Question 1

Under OSHA's Process Safety Management (PSM) standard (29 CFR 1910.119), what is the primary purpose of a Process Hazard Analysis (PHA)?

Accepted Answer

To identify, evaluate, and control hazards associated with processes that involve highly hazardous chemicals

Answer

To analyze the efficiency of process operations for cost reduction

Answer

To document the chemical properties of all materials used in the plant

Answer

To establish the testing schedule for pressure relief devices

Question 2

What is the OSHA permissible exposure limit (PEL) for hydrogen sulfide (H₂S) as an 8-hour time-weighted average?

Accepted Answer

1 ppm (TWA)

Answer

10 ppm (TWA)

Answer

20 ppm (TWA)

Answer

50 ppm (TWA)

Question 3

What does OSHA 1926.502 require for workers exposed to falls of 6 feet or more in construction?

Accepted Answer

Fall protection (guardrails, safety nets, or personal fall arrest system)

Answer

Only verbal warning and awareness of fall hazard

Answer

Hard hat and safety boots only

Answer

A safety monitor for groups of 2 or more workers

Question 4

What is the purpose of a Safety Data Sheet (SDS) and which section contains first-aid measures?

Accepted Answer

SDS provides chemical hazard information; first-aid measures are in Section 4

Answer

SDS provides equipment maintenance procedures; first-aid is in Section 1

Answer

SDS provides purchasing information; first-aid is in Section 8

Answer

SDS provides environmental regulations; first-aid is in Section 6

Question 5

What is the OSHA minimum safe distance requirement for workers near energized overhead power lines at 50kV or below?

Accepted Answer

10 feet (3 meters)

Answer

3 feet (1 meter)

Answer

6 feet (1.8 meters)

Answer

25 feet (7.6 meters)

Question 6

Under OSHA 1910.146, what is the definition of a 'confined space' versus a 'permit-required confined space'?

Accepted Answer

A confined space is large enough to enter, has limited egress, and is not designed for continuous occupancy. A permit-required space also has serious hazards (atmospheric, engulfment, entrapment, or other recognized serious safety hazard)

Answer

A confined space is any enclosed area requiring protective equipment. A permit-required space requires written entry approval only

Answer

A confined space is smaller than 6 feet in height. A permit-required space is smaller than 4 feet in all dimensions

Answer

A confined space requires two workers minimum. A permit-required space requires a supervisor to be present