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DC 3rd
Engineer
Question | Answer |
---|---|
The component in which liquid vapor by absorbing heat is called? | Evaporator |
Select the best answer, electrical grounding method. | Metal stake drive 8' into ground. |
A________ valve should be used for throttling purposes? | Globe |
What is the acceptable range for residual sodium sulfite in the boiler maintain? | 30-70 |
What is the BTU content of a gallon of #4? | 148,000 |
What does a zeolite water softener system use as a means of regeneration? | Brine |
What are the 4 steps for a Zeolite Rejuvenation water softener process? | Backwash, brine, rinse, service |
Where is the medium temperature is liquid? | Condenser |
Where stays are used to support the burner chamber in a scotch marine boiler? | Diagonal Stays |
Where is high temperature vapor found? | At the discharge of the compressor or condenser |
What type are of safety valve is this? | (Full) Crosby nozzle-type safety valve. See page 365 BOG |
Where do you find superheat readings? |