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Plant Operations BOMA Pre-Quiz 1-100 with 100- correct answers
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Plant Operations BOMA Pre-Quiz 1-100 with 100- correct answers
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plant operations - boma pre-quiz with100questions- correct answers[100% verrified
questions]
How many fittings can be attached to a high pressure boiler? -
✔✔ANSW✔✔..Threaded, certified welds, flanges
Why bring up heat slowly on a cold boiler? - ✔✔ANSW✔✔..To prevent thermal thermal
shock
Steam-atomizing burners work by? - ✔✔ANSW✔✔..Steam crossing the jets of oil
To burn one pound of natural gas, about how many pounds of air are needed? -
✔✔ANSW✔✔..14.7
For control of efficient combustion, we have? - ✔✔ANSW✔✔..Air-tight setting
The carbon dioxide level of flue gases for natural gas should be? - ✔✔ANSW✔✔..10%
to 12%
Scale is? - ✔✔ANSW✔✔..Calcium carbonate and magnesium carbonate deposits
With a broken gauge glass, the water level is checked by? - ✔✔ANSW✔✔..Using the
tricocks
The lowest visible level of water in a boiler must be ________ above the top row of
tubes? - ✔✔ANSW✔✔..3"
When is the safest time to blow down water tube boilers? - ✔✔ANSW✔✔..Boiler is
secured
The biggest fuel safety factor is its? - ✔✔ANSW✔✔..Flash point
, Which two ways might we tell the water level inside a steam boiler ? -
✔✔ANSW✔✔..Tricocks and gauge glass
Steam pressure gauges are protected from high temperature of steam by? -
✔✔ANSW✔✔..Siphons tubes
Which test determines the relieving capacity of safety valves? -
✔✔ANSW✔✔..Accumulation test
Fuel gases can can leave at high temperatures. We can recover some of this heat using
a? - ✔✔ANSW✔✔..Economizer
Feed water is typically heated with? - ✔✔ANSW✔✔..Waste or extract steam
What is the maximum pounds of steam per hour of a boiler called? -
✔✔ANSW✔✔..Boiler capacity
What is a steam condensers reservoir called? - ✔✔ANSW✔✔..Hot well
When inspecting a boiler, main steam valves are? - ✔✔ANSW✔✔..Closed, locked, and
tagged
Boiler draft is the difference in _______ between two points. - ✔✔ANSW✔✔..Pressure
Boilers are required to have how many pressure gauges? - ✔✔ANSW✔✔..1
Feed water pumps take water from the? - ✔✔ANSW✔✔..Open feed water heater
High vibrations in a feed water pump could be caused by? - ✔✔ANSW✔✔..Hot feed
water
Which type of pump is best for handling dirty water? - ✔✔ANSW✔✔..Centrifugal
Which is not part of a centrifugal pump? - ✔✔ANSW✔✔..Piston ring
Why have check valves on multiple feed water pumps? - ✔✔ANSW✔✔..Quick start up
May dynamic (centrifugal pumps) displacement pumps be started with the discharge
valve closed or throttled? - ✔✔ANSW✔✔..True
Lubricating oil pumps are typically? - ✔✔ANSW✔✔..Rotary (gear pump)
Centrifugal pumps differ from reciprocating in that they are? - ✔✔ANSW✔✔..Dynamic
displacement
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