3rd A2: Class Power Engineering - A2
Chapter 4 And 5 Test Questions Fully
Solved 2026 Updated.
e - 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 - Answer The three methods of welded pipe manufacture are:
1. Piercing and rolling
2. Electric fusion
3. Double submerged-arc
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 - 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 - Answer _____ sets the rules for Pressure or Process Piping in the plant.
a. ASME B31.1
b. ASME B31.3
c. CSA-B52
d. Alberta Pressure Equipment Safety Regulations
e. ASME Section I .
e - 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 - 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.
a - Answer Graphitization is the breaking down of part of the material into iron and graphite,
and failure of the material will occur along lines where there is a concentration of:
a. Graphite
b. Iron
c. Zinc
d. Nickel
e. Chromium.
b - Answer The most frequently used materials for power piping systems are:
1. Inconel 800 H.
2. Alloy steels.
3. Low carbon steels.
, 4. Galvanized steel.
5. Austenitic stainless steels.
a. 1, 2, 3, 4, 5
b. 2, 3, 5
c. 2, 3, 4, 5
d. 4, 5
e. 1, 3, 5.
c - Answer Red brass contains approximately _____ % copper.
a. 70
b. 80
c. 85
d. 90
e. 100.
e - Answer To calculate the change in length of a pipe one must consider which of the
following factors?
1. Out-of-service temperature
2. In-service temperature
3. Coefficient of linear expansion
4. The length of the pipe
5. The material of construction
a. 1, 2, 3
b. 2, 3, 4
c. 3, 4, 5
d. 2, 3, 4, 5
e. 1, 2, 3, 4.
d - Answer Leakage at flange connections may be prevented by:
a. Using soft rubber gaskets in steam lines
b. Excessively roughing the flange faces
c. Using soft plastic gaskets on superheated steam lines
Chapter 4 And 5 Test Questions Fully
Solved 2026 Updated.
e - 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 - Answer The three methods of welded pipe manufacture are:
1. Piercing and rolling
2. Electric fusion
3. Double submerged-arc
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 - 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 - Answer _____ sets the rules for Pressure or Process Piping in the plant.
a. ASME B31.1
b. ASME B31.3
c. CSA-B52
d. Alberta Pressure Equipment Safety Regulations
e. ASME Section I .
e - 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 - 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.
a - Answer Graphitization is the breaking down of part of the material into iron and graphite,
and failure of the material will occur along lines where there is a concentration of:
a. Graphite
b. Iron
c. Zinc
d. Nickel
e. Chromium.
b - Answer The most frequently used materials for power piping systems are:
1. Inconel 800 H.
2. Alloy steels.
3. Low carbon steels.
, 4. Galvanized steel.
5. Austenitic stainless steels.
a. 1, 2, 3, 4, 5
b. 2, 3, 5
c. 2, 3, 4, 5
d. 4, 5
e. 1, 3, 5.
c - Answer Red brass contains approximately _____ % copper.
a. 70
b. 80
c. 85
d. 90
e. 100.
e - Answer To calculate the change in length of a pipe one must consider which of the
following factors?
1. Out-of-service temperature
2. In-service temperature
3. Coefficient of linear expansion
4. The length of the pipe
5. The material of construction
a. 1, 2, 3
b. 2, 3, 4
c. 3, 4, 5
d. 2, 3, 4, 5
e. 1, 2, 3, 4.
d - Answer Leakage at flange connections may be prevented by:
a. Using soft rubber gaskets in steam lines
b. Excessively roughing the flange faces
c. Using soft plastic gaskets on superheated steam lines
