1. How may fittings be attached to a high pressure boiler? - ✔✔ANSW✔✔..Threaded, Certified welds,
Flanges
Which test determines the relieving capacity of safety valves - ✔✔ANSW✔✔..Accumulation test
Flue gasses can leave at high temperatures. We can recover some of this heat using a(n): -
✔✔ANSW✔✔..Economizer
Feed water is typically heated with - ✔✔ANSW✔✔..Waste or extracted steam
What is the maximum pounds of steam per hour of a boiler called? - ✔✔ANSW✔✔..Boiler capacity
What is a steam condenser's 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 feedwater 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 a part of a centrifugal pump? - ✔✔ANSW✔✔..Piston ring
Why have check valves on multiple feedwater pumps? - ✔✔ANSW✔✔..Quick start up
May dynamic displacement pumps be started with the discharge valve closed or throttled? -
✔✔ANSW✔✔..True
Lubricating oil pumps are typically: - ✔✔ANSW✔✔..Rotary
Centrifugal pumps differ from reciprocating in that they are: - ✔✔ANSW✔✔..Dynamic displacement
Most codes restrict the temperature of water entering the sewer to a max of: - ✔✔ANSW✔✔..140°F
Why do compressors have unloaders? - ✔✔ANSW✔✔..Capacity control
Air Compressors require: - ✔✔ANSW✔✔..Detergent free oil
, What could you do to test an air receiver for leaks? - ✔✔ANSW✔✔..Hydrostatic test
A three element feedwater regulator measures: - ✔✔ANSW✔✔..Drum water level, Steam flow, Water
flow
Safety valves require what percentage of their operating pressure to be lifted by hand: -
✔✔ANSW✔✔..75%
The D.A. tanks are typically: - ✔✔ANSW✔✔..10' above a feedwater pump
A draft gauges measure: - ✔✔ANSW✔✔..Inches of H2O
Carbon monoxide, carbon dioxide, and oxygen measured with a(n)? - ✔✔ANSW✔✔..Orsat analyzer
When putting a cold boiler back in service, open the vent until: - ✔✔ANSW✔✔..You get 25psi in the
boiler
Low pressure steam boilers have maximum allowable working pressures of: - ✔✔ANSW✔✔..15 psig
In watertube boilers, heat and gases of combustion pass: - ✔✔ANSW✔✔..Around the tubes
The type of boiler with the largest capacity of energy is: - ✔✔ANSW✔✔..A fire tube boiler
The burner box of a firetube boiler could be: - ✔✔ANSW✔✔..Either
On a boiler, the water column: - ✔✔ANSW✔✔..Reduces turbulence in the gauge glass
The fitting which is most critical in stopping a boiler explosion is: - ✔✔ANSW✔✔..Safety Valves
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