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 #4? - ANSWER-146,000 What does a zeolite water softener system use as a means of regeneration? - ANSWER-Brine What are the 4 steps for a Zeolite Rejuvenation water softener process? - ANSWER-Back wash Backwash, brine, rinse, service Where is medium temperature is liquid found? - ANSWER-Condenser Where is high temperature vapor found? - ANSWER-At the discharge of the compressor or condenser What stays are used to support the burner chamber in a scotch marine boiler? - ANSWER-Diagonal Stays What type of safety valve is this? - ANSWER-( Full) Crosby nozzle-type safety valve. Page 365 BOG What type of safety valve is this? - ANSWER-( Full) Crosby nozzle-type safety valve. Page 365 BOGWhere do you found superheat reading? - ANSWER-Take suction line pressure Cross reference using a P/T Chart Get tail coil Temperature Subtract cross references temperature from