ABSA 4B EXAM Questions and Correct Answers/ Latest Update / Already Graded

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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


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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


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