How may fittings be attached to a high pressure boiler?
a. threaded
b. certified welds
c. flanges
d. any of the above - correct answer ✔✔d. any of the above
Which test determines the relieving capacity of safety valves?
a. hydrostatic test
b. accumulation test
c. orsat test
d.evaporation test - correct answer ✔✔b. accumulation test
Flue gasses can leave at high temperatures. We can recover some of this heat using a(n):
a. flash tank
b. open feedwater heater
c. economizer
d. air compressor - correct answer ✔✔c. economizer
Feed water is typically heated with:
a. commercial hot water heaters
b.waste or extracted steam
c. another burner
d. superheaters - correct answer ✔✔b.waste or extracted steam
,What is the maximum pounds of steam per hour of a boiler called?
a. boiler capacity
b. steaming rate
c. heating surface
d. water tube - correct answer ✔✔a. boiler capacity
What is a steam condenser's reservoir called?
a. surge tank
b. hot well
c. flash tank
d. vacuum - correct answer ✔✔b. hot well
When inspecting a boiler, main steam valves are:
a. open
b. closed
c. depends on the boiler
d. closed, locked, and tagged - correct answer ✔✔d. closed, locked, and tagged
Boiler draft is the difference in _____ between two points:
a. gas flow
b. water flow
c. pressure
d. wind - correct answer ✔✔c. pressure
Boilers are required to have how many pressure gauges?
a. 1
b. 2
c. 3
, d. 1 for low pressure and 2 for high pressure - correct answer ✔✔a. 1
Feed water pumps take water from the:
a. hotwell
b. open feedwater heater
c. flash tank
d. boiler - correct answer ✔✔b. open feedwater heater
High vibrations in a feed water pump could be caused by:
a. high pressure in the DA tank
b. cold feed water
c. hot feed water
d. those things always vibrate - correct answer ✔✔c. hot feed water
Which type of pump is best for handling dirty water?
a. chemical
b. centrifugal
c. gear
d. positive displacement - correct answer ✔✔b. centrifugal
Which is not a part of a centrifugal pump?
a. volute
b. impeller
c. piston ring
d. vanes - correct answer ✔✔c. piston ring
Why have check valves on multiple feedwater pumps?
a. quick start up
b. efficiency
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