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ABSA 4B EXAM Questions and Correct
Answers/ Latest Update / Already Graded
Internal ____ is not required for dynamic type compressors.
seals
lubrication
pressure monitoring
corrosion monitoring
temperature monitoring
Ans: b
Low pressure or high pressure are the two primary classifications of
____.
centrifugal pumps
sump pumps
boilers
draft fans
pressure controllers
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Ans: e
The boiler feedwater becomes increasingly ____ as it approaches the
measurement of zero.
acidic
neutral
softer
basic
alkaline
Ans: a
The following hydrocarbon(s) may be entrained in a natural gas
stream:
Propane
Butane
Ethane
Methane
All of the above
All rights reserved © 2025/ 2026 |
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Ans: e
Although ____ is created, high viscosity oils are still preferred for low
speed/high load systems.
lower floc point oils
lower oil friction
high pour point oils
high velocity oils
higher oil friction
Ans: e
Every shift the boiler water should be ____.
filled with dissolved solids
tested
condensed
replaced
evaporated
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Ans: b
Sodium sulphite is a commonly used ____ in boilers.
oxygen scavenger
carbon dioxide scavenger
coagulant
pH inhibitor
flocculant
Ans: a
Cement may be used for the protective coating of a ____.
u-tube manometers
orifice plates
venturi tubes
pressure gauges
hot water storage tank
Ans: e
All rights reserved © 2025/ 2026 |
ABSA 4B EXAM Questions and Correct
Answers/ Latest Update / Already Graded
Internal ____ is not required for dynamic type compressors.
seals
lubrication
pressure monitoring
corrosion monitoring
temperature monitoring
Ans: b
Low pressure or high pressure are the two primary classifications of
____.
centrifugal pumps
sump pumps
boilers
draft fans
pressure controllers
All rights reserved © 2025/ 2026 |
, Page |2
Ans: e
The boiler feedwater becomes increasingly ____ as it approaches the
measurement of zero.
acidic
neutral
softer
basic
alkaline
Ans: a
The following hydrocarbon(s) may be entrained in a natural gas
stream:
Propane
Butane
Ethane
Methane
All of the above
All rights reserved © 2025/ 2026 |
, Page |3
Ans: e
Although ____ is created, high viscosity oils are still preferred for low
speed/high load systems.
lower floc point oils
lower oil friction
high pour point oils
high velocity oils
higher oil friction
Ans: e
Every shift the boiler water should be ____.
filled with dissolved solids
tested
condensed
replaced
evaporated
All rights reserved © 2025/ 2026 |
, Page |4
Ans: b
Sodium sulphite is a commonly used ____ in boilers.
oxygen scavenger
carbon dioxide scavenger
coagulant
pH inhibitor
flocculant
Ans: a
Cement may be used for the protective coating of a ____.
u-tube manometers
orifice plates
venturi tubes
pressure gauges
hot water storage tank
Ans: e
All rights reserved © 2025/ 2026 |