ABSA 4B FINAL EXAM, PRACTICE EXAM AND STUDY
GUIDE (ALL IN ONE DOCUMENT) LATEST 2025/ 2026
ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||LATEST
EXAM!!! ||BRANDNEW!!!||
Internal ____ is not required for dynamic type
compressors.
seals
lubrication
pressure monitoring
corrosion monitoring
temperature monitoring - Answer-b
Low pressure or high pressure are the two primary
classifications of ____.
centrifugal pumps
sump pumps
boilers
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draft fans
pressure controllers - Answer-e
The boiler feedwater becomes increasingly ____ as it
approaches the measurement of zero.
acidic
neutral
softer
basic
alkaline - Answer-a
The following hydrocarbon(s) may be entrained in a
natural gas stream:
Propane
Butane
Ethane
Methane
All of the above - Answer-e
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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 - Answer-e
Every shift the boiler water should be ____.
filled with dissolved solids
tested
condensed
replaced
evaporated - Answer-b
Sodium sulphite is a commonly used ____ in boilers.
oxygen scavenger
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carbon dioxide scavenger
coagulant
pH inhibitor
flocculant - Answer-a
Cement may be used for the protective coating of a ____.
u-tube manometers
orifice plates
venturi tubes
pressure gauges
hot water storage tank - Answer-e
The hot exhaust gases from the gas turbine combustor
travel downstream to be ____ in the turbine blading.
expanded
filtered
heating
contracted