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ABSA 4B EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
ABSA 4B EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
[Show more]ABSA 4B EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
[Show more]where do we use stays on a fire-tube boiler? 
A) at the top of the boiler 
b)outside of the boiler to mounting brackets 
c) in the steam space of the boiler 
d)between the tubes 
Correct Answer: C 
vanstone flange held in place? 
A)screwed fittings 
B)loosely 
C) threaded 
d)star pattern 
Correct An...
Preview 3 out of 30 pages
Add to cartwhere do we use stays on a fire-tube boiler? 
A) at the top of the boiler 
b)outside of the boiler to mounting brackets 
c) in the steam space of the boiler 
d)between the tubes 
Correct Answer: C 
vanstone flange held in place? 
A)screwed fittings 
B)loosely 
C) threaded 
d)star pattern 
Correct An...
One of the legal responsibilities of the engineer during an inspection is: 
Select one: 
a. To notify the Workers Compensation Board of the inspection 
b. Point out any known or suspected defects to the inspector 
c. To have at least two staff members present at all times 
d. To be in possession of ...
Preview 4 out of 62 pages
Add to cartOne of the legal responsibilities of the engineer during an inspection is: 
Select one: 
a. To notify the Workers Compensation Board of the inspection 
b. Point out any known or suspected defects to the inspector 
c. To have at least two staff members present at all times 
d. To be in possession of ...
Temporary hardness in feedwater is caused by: 
Select one: 
a. Magnesium sulphate 
b. Calcium carbonate 
c. Magnesium bicarbonate 
d. Sodium nitrate 
Correct Answer: c 
What is the recommended boiler water pH for wet layup? 
Select one: 
a. 10 
b. 12 
c. 7.5 
d. 7 
2 
Correct Answer: a 
A photoelect...
Preview 4 out of 62 pages
Add to cartTemporary hardness in feedwater is caused by: 
Select one: 
a. Magnesium sulphate 
b. Calcium carbonate 
c. Magnesium bicarbonate 
d. Sodium nitrate 
Correct Answer: c 
What is the recommended boiler water pH for wet layup? 
Select one: 
a. 10 
b. 12 
c. 7.5 
d. 7 
2 
Correct Answer: a 
A photoelect...
In a warm air heating system the cold air return registers 
are located 
a) in exterior walls 
b) in interior locations 
c) under windows 
d) in floors 
e) in ceilings 
Correct Answer: B 
The major disadvantage of an electric resistance coil furnace 
for warm air heating is 
a) the high cost of elec...
Preview 4 out of 296 pages
Add to cartIn a warm air heating system the cold air return registers 
are located 
a) in exterior walls 
b) in interior locations 
c) under windows 
d) in floors 
e) in ceilings 
Correct Answer: B 
The major disadvantage of an electric resistance coil furnace 
for warm air heating is 
a) the high cost of elec...
What must be located outside a Class T machinery room? 
Select one: 
a. Spare flashlights 
b. Disposable coveralls 
c. Machinery shut off switch 
d. Light switches 
Correct Answer: c 
Degradation of heat transfer fluid of a hot oil system will begin to occur if: 
Select one: 
a. The oil filter is no...
Preview 4 out of 62 pages
Add to cartWhat must be located outside a Class T machinery room? 
Select one: 
a. Spare flashlights 
b. Disposable coveralls 
c. Machinery shut off switch 
d. Light switches 
Correct Answer: c 
Degradation of heat transfer fluid of a hot oil system will begin to occur if: 
Select one: 
a. The oil filter is no...
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