ABSA: 4th Class Part B -
Comprehensive Exam 4 Questions And
Answers
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 an inspection certificate -
correct answer ✅b
The _____ tubes of a fired hot oil heater have fins on their outer
surfaces.
Select one:
a. Water
b. Radiant
c. Extended type
d. Fire -
correct answer ✅c
,ABSA: 4th Class Part B -
Comprehensive Exam 4 Questions And
Answers
The injection pump of a diesel engine is driven by:
Select one:
a. A camshaft
b. The governor
c. The gudgeon pin
d. Piston action -
correct answer ✅a
Ammonia, as well as being toxic, is also:
Select one:
a. A low pressure refrigerant
b. Flammable
c. Miscible with oil
d. Odourless -
correct answer ✅b
When a boiler primes, it means that:
Select one:
,ABSA: 4th Class Part B -
Comprehensive Exam 4 Questions And
Answers
a. The steam vent is open, to allow it to fill
b. Water is being carried over with the steam
c. The boiler is being over fired
d. The water has not been chemically treated -
correct answer ✅b
The slide valve of a steam engine is designed to:
Select one:
a. Allow steam to enter and leave the cylinder
b. Prevent the engine from over-speeding
c. Provide lubrication for the steam engine
d. Drain the condensate from the cylinder during warm-up -
correct answer ✅a
A journal bearing:
Select one:
a. Supports a shaft
, ABSA: 4th Class Part B -
Comprehensive Exam 4 Questions And
Answers
b. require cooling water
c. Does not require lubrication
d. Controls thrust movement -
correct answer ✅a
Smaller spark ignition engine use ____________ to vapourize
gasoline:
Select one:
a. Carburetion
b. Atomization
c. Electric heaters
d. Vapourizers -
correct answer ✅a
Heat load from people in a room is mostly affected by:
Select one:
a. The building occupancy class
b. The activity of the people
Comprehensive Exam 4 Questions And
Answers
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 an inspection certificate -
correct answer ✅b
The _____ tubes of a fired hot oil heater have fins on their outer
surfaces.
Select one:
a. Water
b. Radiant
c. Extended type
d. Fire -
correct answer ✅c
,ABSA: 4th Class Part B -
Comprehensive Exam 4 Questions And
Answers
The injection pump of a diesel engine is driven by:
Select one:
a. A camshaft
b. The governor
c. The gudgeon pin
d. Piston action -
correct answer ✅a
Ammonia, as well as being toxic, is also:
Select one:
a. A low pressure refrigerant
b. Flammable
c. Miscible with oil
d. Odourless -
correct answer ✅b
When a boiler primes, it means that:
Select one:
,ABSA: 4th Class Part B -
Comprehensive Exam 4 Questions And
Answers
a. The steam vent is open, to allow it to fill
b. Water is being carried over with the steam
c. The boiler is being over fired
d. The water has not been chemically treated -
correct answer ✅b
The slide valve of a steam engine is designed to:
Select one:
a. Allow steam to enter and leave the cylinder
b. Prevent the engine from over-speeding
c. Provide lubrication for the steam engine
d. Drain the condensate from the cylinder during warm-up -
correct answer ✅a
A journal bearing:
Select one:
a. Supports a shaft
, ABSA: 4th Class Part B -
Comprehensive Exam 4 Questions And
Answers
b. require cooling water
c. Does not require lubrication
d. Controls thrust movement -
correct answer ✅a
Smaller spark ignition engine use ____________ to vapourize
gasoline:
Select one:
a. Carburetion
b. Atomization
c. Electric heaters
d. Vapourizers -
correct answer ✅a
Heat load from people in a room is mostly affected by:
Select one:
a. The building occupancy class
b. The activity of the people
