Power Engineering - 4A4 Practice
Questions With Approved And
Verified Answers | 2026 Update
Confined spaces include the following, except for:
a. Boilers
b. Deaerators
c. MCC room
d. Stacks - Ans--c. MCC room
(4-029-2.2) A high proportion of the reported workplace injuries are from the
age group of:
a. 25 to 30
b. 30 to 45
c. 16 to 25
d. 45 to 55 - Ans--c. 16 to 25
(4-032-1.4) Confined space entry procedures should be applied when work
is being done in any industrial area that does not have:
a. Moderate air temperatures
b. Proper lighting
c. Easy access for personnel rescue in an emergency
d. A gas-free atmosphere - Ans--c. Easy access for personnel rescue in an
emergency
All maintenance on portable fire extinguishers must be:
a. Completed on all extinguishers in the plant at the same time
b. Performed at the work site in case they are required for emergency
service
c. Contracted out to a certified service company
, d. Supervised by a National Fire Protection Association employee - Ans--c.
Contracted out to a certified service company
(4-038-1.9) Burning metals may be extinguished using:
a. Dry chemical extinguishers
b. Carbon dioxide extinguishers
c. AFFF extinguishers
d. Dry powder extinguishers - Ans--d. Dry powder extinguishers
(4-037-2.8) A fire in which of the following constitutes a Class "C" fire:
a. Coal bunker
b. Fuel tank
c. Lumber pile
d. Electrical panel - Ans--d. Electrical panel
(4-037-2.11) Which of the following is a Class "B" fire?
a. A fire in a coal bunker
b. A fire in a wood pile
c. A turbine lube-oil fire
d. A fire in an electrical panel - Ans--c. A turbine lube-oil fire
(4-031-1.3) An employer must not allow shortcuts when it comes to:
a. Annual shutdowns
b. Safety Committee formation
c. Isolation of equipment
d. Equipment overhaul scheduling - Ans--c. Isolation of equipment
What tool is used to find hazards in a plant?
a. A Hazard Assessment and Identification process
b. Hiring a contractor to clean up the plant site, and review the work
c. Employee surveys
d. Analyzing accident and incident investigation forms - Ans--a. A Hazard
Assessment and Identification process
Questions With Approved And
Verified Answers | 2026 Update
Confined spaces include the following, except for:
a. Boilers
b. Deaerators
c. MCC room
d. Stacks - Ans--c. MCC room
(4-029-2.2) A high proportion of the reported workplace injuries are from the
age group of:
a. 25 to 30
b. 30 to 45
c. 16 to 25
d. 45 to 55 - Ans--c. 16 to 25
(4-032-1.4) Confined space entry procedures should be applied when work
is being done in any industrial area that does not have:
a. Moderate air temperatures
b. Proper lighting
c. Easy access for personnel rescue in an emergency
d. A gas-free atmosphere - Ans--c. Easy access for personnel rescue in an
emergency
All maintenance on portable fire extinguishers must be:
a. Completed on all extinguishers in the plant at the same time
b. Performed at the work site in case they are required for emergency
service
c. Contracted out to a certified service company
, d. Supervised by a National Fire Protection Association employee - Ans--c.
Contracted out to a certified service company
(4-038-1.9) Burning metals may be extinguished using:
a. Dry chemical extinguishers
b. Carbon dioxide extinguishers
c. AFFF extinguishers
d. Dry powder extinguishers - Ans--d. Dry powder extinguishers
(4-037-2.8) A fire in which of the following constitutes a Class "C" fire:
a. Coal bunker
b. Fuel tank
c. Lumber pile
d. Electrical panel - Ans--d. Electrical panel
(4-037-2.11) Which of the following is a Class "B" fire?
a. A fire in a coal bunker
b. A fire in a wood pile
c. A turbine lube-oil fire
d. A fire in an electrical panel - Ans--c. A turbine lube-oil fire
(4-031-1.3) An employer must not allow shortcuts when it comes to:
a. Annual shutdowns
b. Safety Committee formation
c. Isolation of equipment
d. Equipment overhaul scheduling - Ans--c. Isolation of equipment
What tool is used to find hazards in a plant?
a. A Hazard Assessment and Identification process
b. Hiring a contractor to clean up the plant site, and review the work
c. Employee surveys
d. Analyzing accident and incident investigation forms - Ans--a. A Hazard
Assessment and Identification process
