DC BOILER STATIONARY THIRD TESTING EXAM
2023-2024 ACTUAL EXAM 200 QUESTIONS AND
CORRECT DETAILED ANSWERS WITH
RATIONALES|AGRADE
Terms in this set (202)
The component in which Evaporator
liquid vapor by absorbing
heat is called?
Select the best answer Metal stake drive 8 foot into the ground.
electrical grounding
method?
A _____ valve should be Globe
used for throttling
purpose?
What is the acceptable 30-70
range for residual sodium
sulfite in the boiler
maintain?
What is the BTU content of 146,000
a gallon of #4?
What does a zeolite water Brine
softener system use as a
means of regeneration?
What are the 4 steps for a Back wash
Zeolite Rejuvenation water Backwash, brine, rinse, service
softener process?
, Where is medium Condenser
temperature is liquid
found?
Where is high temperature At the discharge of the compressor or condenser
vapor found?
What stays are used to Diagonal Stays
support the burner
chamber in a scotch
marine boiler?
What type of safety valve ( Full) Crosby nozzle-type safety valve. Page 365
is this? BOG
What type of safety valve ( Full) Crosby nozzle-type safety valve. Page 365
is this? BOG
Take suction line pressure
Cross reference using a P/T Chart
Where do you found Get tail coil Temperature
superheat reading? Subtract cross references temperature from tail coil
temperature
Result will be superheat
Name the wire that Grounding Electrode Conductor
connects all component
of a system to a physical
ground or water pipe?
Take liquid line pressure
Cross reference to temperature using a P/T Chart
Where do get sub-cooling Get liquid line temperature
reading? Subtract actual temperature from cross referenced
temperature
Result is sub-cooling
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