3rd Class Power Engineering - A2 Chapter 4 Exam 2025 Questions and Answers

3rd Class Power Engineering - A2
Chapter 4 Exam 2025 Questions and
Answers


e - Correct Answer✔️✔️-To accommodate thermal expansion on pipe lines carrying hot fluids

such as steam, expansion bends are occasionally used. The use of expansion bends may be preferred:




a. For low pressure service

b. To reduce heat loss

c. Because it reduces pipe friction losses

d. Because it takes up less space than other types of expansion means

e. For high pressure service.


b - Correct Answer✔️✔️-The three methods of welded pipe manufacture are:


1. Piercing and rolling

2. Electric fusion

3. Double submerged-arc


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,4. Cupping and drawing

5. Electric resistance

6. Extrusion




a. 1, 3, 6

b. 2, 3, 5

c. 3, 4, 6

d. 2, 3, 4

e. 1, 2, 5.


a - Correct Answer✔️✔️-_____ applies to the Boiler proper and the boiler "external piping". Super

heaters, economizers and other pressure parts connected directly to the boiler.




a. ASME Section I

b. CSA-B51

c. CSA-B52

d. Alberta Pressure Equipment Safety Regulations

e. ASME B31.1


b - Correct Answer✔️✔️-_____ sets the rules for Pressure or Process Piping in the plant.


a. ASME B31.1


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, b. ASME B31.3

c. CSA-B52

d. Alberta Pressure Equipment Safety Regulations

e. ASME Section I .


e - Correct Answer✔️✔️-_____ sets boiler piping rules for: materials, design, fabrication,

construction, and testing.

a. ASME Section I

b. CSA-B51

c. CSA-B52

d. Alberta Pressure Equipment Safety Regulations

e. ASME B31.1.


c - Correct Answer✔️✔️-After approval shops are authorized to perform the work described in

their Quality Control Program for a period of _____ years.

a. 1

b. 2

c. 3

d. 4

e. 5.




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