REVIEW QUESTIONS WITH COMPLETE
SOLUTION GUIDE
●● Low pressure or high pressure are the two primary classifications of
____.
centrifugal pumps
sump pumps
boilers
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
●● 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
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
cooled
Answer: a
●● Recovery boilers must be shut down immediately when a tube leak
develops because water generates a violent physical reaction upon
contacting ____.
white liquor
black liquor
green liquor
molten smelt
cooking liquor