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General Maintenance BOMA PreQuiz(with 100- correct answers).
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General Maintenance BOMA PreQuiz(with 100- correct answers).
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General Maintenance BOMA Pre-Quiz(with 100- correct answers).
1. How may fittings be attached to a high
pressure boiler? - ✔✔ANSW✔✔..Threaded,
Certified welds, Flanges
10 psig is equal to: - ✔✔ANSW✔✔..24.7
psia
A cushioned check valve is used for: -
✔✔ANSW✔✔..An automatic non-return
valve
A deaerator tank 10 feet high has how
much head pressure? - ✔✔ANSW✔✔..4.33
psig
,A draft gauges measure: -
✔✔ANSW✔✔..Inches of H2O
A flame scanner monitors: -
✔✔ANSW✔✔..The pilot and the main flame
A PH of 7.2 would be: -
✔✔ANSW✔✔..Slightly alkaline
A three element feedwater regulator
measures: - ✔✔ANSW✔✔..Drum water
level, Steam flow, Water flow
Acceptable PH levels of the boiler water
might be: - ✔✔ANSW✔✔..9-11 PH
Air Compressors require: -
✔✔ANSW✔✔..Detergent free oil
Air over the stoicometric amount of air is
called: - ✔✔ANSW✔✔..Excess
, Before firing a boiler, it must FIRST: -
✔✔ANSW✔✔..Prepurge
Boiler draft is the difference in ____________
between two points: -
✔✔ANSW✔✔..pressure
Boiler efficiency is increased by? -
✔✔ANSW✔✔..Open feedwater heaters, Air
preheaters, Closed feedwater heaters
Boilers are required to have how many
pressure gauges? - ✔✔ANSW✔✔..1
Boyles law deals with: -
✔✔ANSW✔✔..Expansion and contraction of
gases
Carbon monoxide, carbon dioxide, and
oxygen measured with a(n)? -
✔✔ANSW✔✔..Orsat analyzer
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