WPR Work Permit Types & Scope

Question 1

Which type of work permit is required before performing welding, cutting, or grinding near flammable materials?

Accepted Answer

Hot work permit

Answer

Hot work permits are required for any task that introduces ignition sources (sparks, flames, heat) into areas where flammable or combustible materials may be present.

Question 2

A cold work permit is distinguished from a hot work permit because:

Accepted Answer

Cold work does not introduce ignition sources and involves only non-sparking, non-flaming activities

Answer

Cold work permits cover non-ignition tasks such as mechanical disassembly, painting with non-flammable materials, or structural inspections.

Question 3

An excavation permit is required when digging to what depth in most US industrial and construction sites per OSHA standards?

Accepted Answer

5 feet or more, or any depth when a worker enters the excavation

Answer

OSHA 29 CFR 1926.650 triggers cave-in protection (and typically an excavation permit) for excavations 5 feet or deeper, or any depth where a worker enters.

Question 4

An electrical work permit (lockout/tagout) is governed primarily by which OSHA standard?

Accepted Answer

29 CFR 1910.147

Answer

OSHA 29 CFR 1910.147 (Control of Hazardous Energy) governs lockout/tagout procedures for electrical and other energy isolation.

Question 5

Which type of permit is required for work on pressurized piping systems that could release hazardous energy?

Accepted Answer

Line break permit or pressure release permit

Answer

Line break or pressure release permits address the hazards of releasing stored energy (pressure, temperature, hazardous fluids) when opening piping systems.

WPR - Work Permit Receiver Practice Test

WPR - Work Permit Receiver Practice Test

WPR Work Permit Types & Scope