TESTBANK FOR POWER ENGINEERING 4A
EXAM 2026-2027 QUESTIONS AND CORRECT
ANSWERS GRADED A+ (ALL YOU NEED)
Which of the following emissions is NOT considered a gaseous pollutant?
Select one:
a. Nitrogen
b. Methane
c. Sulphur oxides
d. Carbon monoxide
A
A thermostatic steam trap is controlled by the:
Select one:
a. Bucket, which flips when filled with condensate
b. Temperature difference between condensate and steam
c. air pressure built up on top of disk
d. Difference in velocity between condensate and steam
B
A typical application of forged steel in a power plant is:
Select one:
a. Ash handling systems
,b. Superheated steam lines
c. Superheated steam lines
d. Pipe fittings
D
A disadvantage of an electric boiler is that it:
Select one:
a. Is very expensive to operate
b. Is inefficient
c. Requires alternating current
d. Has no chimney
A
The amount of air required to supply just enough oxygen for complete combustion
is called the:
Select one:
a. Excess air
b. Perfect air
c. Primary air
d. Theoretical air
D
"Transpiration" is the process where:
,Select one:
a. dissolved oxygen is expelled from water
b. water vapour goes through a phase change
c. plants release water
d. animals inhale oxygen
C
A Van Stone flange is fitted ___________ on a pipe:
Select one:
a. With evenly spaced set screws
b. Loosely
c. By threading coursely
d. with tack welds
B
Current transformers are:
Select one:
a. Voltage step-up transformers
b. K-type transformers
c. High power factor transformers
d. Current step-up transformers
A
, A multi-burner cluster has secondary and tertiary nozzles ignited by:
Select one:
a. The primary burner
b. An interrupted pilot
c. An igniter spark
d. An intermittent pilot flame
A
The flow of electrons in a uniform direction is called:
Select one:
a. Voltage drop
b. Electric current flow
c. Potential difference
d. Electromotive flow
B
The advantage of using a venturi tube, rather than an orifice plate for flow
measurement is it:
Select one:
a. Is less bulky
b. Requires only one pressure tap
c. Costs less to install
d. Produces less permanent pressure drop
EXAM 2026-2027 QUESTIONS AND CORRECT
ANSWERS GRADED A+ (ALL YOU NEED)
Which of the following emissions is NOT considered a gaseous pollutant?
Select one:
a. Nitrogen
b. Methane
c. Sulphur oxides
d. Carbon monoxide
A
A thermostatic steam trap is controlled by the:
Select one:
a. Bucket, which flips when filled with condensate
b. Temperature difference between condensate and steam
c. air pressure built up on top of disk
d. Difference in velocity between condensate and steam
B
A typical application of forged steel in a power plant is:
Select one:
a. Ash handling systems
,b. Superheated steam lines
c. Superheated steam lines
d. Pipe fittings
D
A disadvantage of an electric boiler is that it:
Select one:
a. Is very expensive to operate
b. Is inefficient
c. Requires alternating current
d. Has no chimney
A
The amount of air required to supply just enough oxygen for complete combustion
is called the:
Select one:
a. Excess air
b. Perfect air
c. Primary air
d. Theoretical air
D
"Transpiration" is the process where:
,Select one:
a. dissolved oxygen is expelled from water
b. water vapour goes through a phase change
c. plants release water
d. animals inhale oxygen
C
A Van Stone flange is fitted ___________ on a pipe:
Select one:
a. With evenly spaced set screws
b. Loosely
c. By threading coursely
d. with tack welds
B
Current transformers are:
Select one:
a. Voltage step-up transformers
b. K-type transformers
c. High power factor transformers
d. Current step-up transformers
A
, A multi-burner cluster has secondary and tertiary nozzles ignited by:
Select one:
a. The primary burner
b. An interrupted pilot
c. An igniter spark
d. An intermittent pilot flame
A
The flow of electrons in a uniform direction is called:
Select one:
a. Voltage drop
b. Electric current flow
c. Potential difference
d. Electromotive flow
B
The advantage of using a venturi tube, rather than an orifice plate for flow
measurement is it:
Select one:
a. Is less bulky
b. Requires only one pressure tap
c. Costs less to install
d. Produces less permanent pressure drop
