Answered Correctly –| Latest Version 2024/2025
How may fittings be attached to a high pressure boiler?
a. threaded
b. certified welds
c. flanges
d. any of the above - 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 - 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 - ANSWER c. economizer
Feed water is typically heated with:
a. commercial hot water heaters
b.waste or extracted steam
c. another burner
d. superheaters - 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 - ANSWER a. boiler capacity
What is a steam condenser's reservoir called?
a. surge tank
b. hot well
c. flash tank
d. vacuum - 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 - 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 - 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 - ANSWER a. 1
Feed water pumps take water from the:
a. hotwell
b. open feedwater heater
c. flash tank
d. boiler - 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 - ANSWER c. hot feed water
Which type of pump is best for handling dirty water?
a. chemical
b. centrifugal
c. gear
d. positive displacement - ANSWER b. centrifugal
Which is not a part of a centrifugal pump?
a. volute
b. impeller
c. piston ring
d. vanes - ANSWER c. piston ring
Why have check valves on multiple feedwater pumps?
a. quick start up
b. efficiency
c. reduce the number of valves
d. prevent it from going clockwise - ANSWER a. quick start up
May dynamic displacement pumps be started with the discharge valve closed or
throttled?