2024 update DC Third testing Questions and Answers 100% Pass

2024 update DC Third testing Questions and Answers 100% Pass The component in which liquid vapor by absorbing heat is called? - Correct Answer ️️ - Evaporator Select the best answer electrical grounding method? - Correct Answer ️️ -Metal stake drive 8 foot into the ground. A _____ valve should be used for throttling purpose? - Correct Answer ️️ -Globe What is the acceptable range for residual sodium sulfite in the boiler maintain? - Correct Answer ️️ -30-70 What is the BTU content of a gallon of #4? - Correct Answer ️️ -146,000 What does a zeolite water softener system use as a means of regeneration? - Correct Answer ️️ -Brine What are the 4 steps for a Zeolite Rejuvenation water softener process? - Correct Answer ️️ -Back wash Backwash, brine, rinse, service Where is medium temperature is liquid found? - Correct Answer ️️ -Condenser Where is high temperature vapor found? - Correct Answer ️️ -At the discharge of the compressor or condenser What stays are used to support the burner chamber in a scotch marine boiler? - Correct Answer ️️ -Diagonal Stays What type of safety valve is this? - Correct Answer ️️ -( Full) Crosby nozzle-type safety valve. Page 365 BOG What type of safety valve is this? - Correct Answer ️️ -( Full) Crosby nozzle-type safety valve. Page 365 BOG Where do you found superheat reading? - Correct Answer ️️ -Take suction line pressure Cross reference using a P/T Chart Get tail coil Temperature Subtract cross references temperature from tail coil temperature Result will be superheat Name the wire that connects all component of a system to a physical ground or water pipe? - Correct Answer ️️ -Grounding Electrode Conductor Where do get sub-cooling reading? - Correct Answer ️️ -Take liquid line pressure Cross reference to temperature using a P/T Chart Get liquid line temperature Subtract actual temperature from cross referenced temperature Result is sub-cooling On the boilers that have both Quick opening and Screw type blow down valves, the Quick opening valve must be located? - Correct Answer ️️ -Closest to the boiler and followed by the screw type valve