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2023 update DC BOILER/STATIONARY Third testing questions with complete solutions
2023 update DC BOILER/STATIONARY Third testing questions with complete solutions 
 
 
The component in which liquid vapor by absorbing heat is called? - Answer - Evaporator 
 
Select the best answer electrical grounding method? - Answer - Metal stake drive 8 foot into the ground. 
 
A _____ valve should be used for throttling purpose? - Answer - Globe 
 
What is the acceptable range for residual sodium sulfite in the boiler maintain? - Answer - 30-70 
 
What is the BTU content of a gallon of...