3B2 ULTIMATE ABSA PROFESSIONAL
POWER ENGINEERING PREP QUESTIONS
AND ACCURATE ANSWERS GRADED A+
●● The purpose of a superheater is to raise the temperature of the steam
generated in the boiler:
Select one:
A.above the saturation temperature
B.above the reheat temperature
C.to make the steam less dense
D.to produce dry condensate
E.to reduce the amount of heat required to reach the saturation
temperature
Answer: A
●● ______ is the demineralization method which uses an applied
electric field to continuously regenerate the resin bed.
Answer: EDI
●● How is pump misalignment, either angular or parallel corrected?
Select one:
A.through use of a flexible coupling
,B.inserting shims under the driver feet
C.for small misalignment through the flexible coupling or shim insertion
under the pump or driver for larger
D.inserting shims under the pump or driver wherever necessary
E.use a heavy hammer to align the pump with the piping
Answer: b
●● When do the most severe problems with scale occur?
Select one:
A.Low temperature and high velocity
B.High temperature and low velocity
C.High temperature and low turbidity
D.Low temperature and low velocity
E.High temperature and high turbidity
Answer: b
●● Alum is the most common coagulant. What type of water would you
normally add alum? Select the best answer.
Select one:
a.Low turbidity with pH above 8
b.High turbidity with pH below 4
c.Medium turbidity with a neutral pH
d.Low to medium turbidity in a pH range of 5.5 to 7.5
,e.Low to medium turbidity in a pH range of 5.5 to 7.5
Answer: Low to Medium turbidity in a pH range of 5.5 to 7.5
●● If the impeller speed of a centrifugal pump is doubled, then the
quantity pumped will be:
Select one:
A.halved
B.twice as much
C.four times as much
D.eight times as much
E.no difference
Answer: B
●● What is the optimum temperature for recovery at the bottom of an oil
well in ºC?
Select one:
A.178
B.208
C.190
D.156
E.202
Answer: A
, ●● Which of the following ions are removed by a strong cation
exchange resin? (You must choose all the correct responses to get full
marks)
Select one or more:
a.Ca
b.Mg
c.Na
d.SO4
e.CO2
f.Cl
Answer: Ca, Mg, Na
●● What is used to aid in biological treatment if the demand becomes
too great for a simple open pond?
Select one:
A.Microorganisms are added
B.Oxygen is removed
C.Oxygen is added
D.Carbon and diluents are added
E.Carbon monoxide is added
Answer: C
POWER ENGINEERING PREP QUESTIONS
AND ACCURATE ANSWERS GRADED A+
●● The purpose of a superheater is to raise the temperature of the steam
generated in the boiler:
Select one:
A.above the saturation temperature
B.above the reheat temperature
C.to make the steam less dense
D.to produce dry condensate
E.to reduce the amount of heat required to reach the saturation
temperature
Answer: A
●● ______ is the demineralization method which uses an applied
electric field to continuously regenerate the resin bed.
Answer: EDI
●● How is pump misalignment, either angular or parallel corrected?
Select one:
A.through use of a flexible coupling
,B.inserting shims under the driver feet
C.for small misalignment through the flexible coupling or shim insertion
under the pump or driver for larger
D.inserting shims under the pump or driver wherever necessary
E.use a heavy hammer to align the pump with the piping
Answer: b
●● When do the most severe problems with scale occur?
Select one:
A.Low temperature and high velocity
B.High temperature and low velocity
C.High temperature and low turbidity
D.Low temperature and low velocity
E.High temperature and high turbidity
Answer: b
●● Alum is the most common coagulant. What type of water would you
normally add alum? Select the best answer.
Select one:
a.Low turbidity with pH above 8
b.High turbidity with pH below 4
c.Medium turbidity with a neutral pH
d.Low to medium turbidity in a pH range of 5.5 to 7.5
,e.Low to medium turbidity in a pH range of 5.5 to 7.5
Answer: Low to Medium turbidity in a pH range of 5.5 to 7.5
●● If the impeller speed of a centrifugal pump is doubled, then the
quantity pumped will be:
Select one:
A.halved
B.twice as much
C.four times as much
D.eight times as much
E.no difference
Answer: B
●● What is the optimum temperature for recovery at the bottom of an oil
well in ºC?
Select one:
A.178
B.208
C.190
D.156
E.202
Answer: A
, ●● Which of the following ions are removed by a strong cation
exchange resin? (You must choose all the correct responses to get full
marks)
Select one or more:
a.Ca
b.Mg
c.Na
d.SO4
e.CO2
f.Cl
Answer: Ca, Mg, Na
●● What is used to aid in biological treatment if the demand becomes
too great for a simple open pond?
Select one:
A.Microorganisms are added
B.Oxygen is removed
C.Oxygen is added
D.Carbon and diluents are added
E.Carbon monoxide is added
Answer: C
