NATE CORE STUDY GUIDE 2024 questions with correct answers 100% guaranteed
Which of the following is not the product of incomplete
... [Show More] combustion: - answer
An oil trap is required at the base of the discharge line of the vertical riser is _____ or above -
A diode allows current to flow in one direction: - answer
1 Watt = _____ Btu -
Current in a closed circuit is limited by which of the following: - answer
An oil separator is located in the _____: - answer
______ is the heat that is absorbed or extracted when a substance changes its state: - answer
_______ is the temperature at which oil starts to produce a waxy substance that may interfere with the refrigeration system: - answer
1 kWh of electric power is equivalent to ______ Btu per hour: - answer
What will be the resistance in the circuit if the supply voltage is 30V and current flowing through the circuit is 5A: - answer
Gas valves operate at _____ voltage: - answer
_______ use two special helical rotors that introduce suction vapors then compress them: - answer
A high pressure steam boiler operates at a pressure greater than ______ : - answer
In Fire tube boiler, which of the following pass through the tubes: -
1 kilo watt = ______ Btu - answer
Turning the TXV valve stem in _______ direction increases super heat: - answer
Which of the following compressor uses pistons, cylinders and valves to compress the refrigerant gas: - answer
Most of the heat transfer from the heat exchanger is by which of the following: - answer
Relays and contactors are ____ control switches: - answer
Which of the following law states that the total pressure of a confined mixture of gases is the sum of pressures of each of the gases in the mixture: - answer
At 32°F, 1 lb of ice can be changed to 1 lb of water by adding ____ Btu - answer
Which of the following circuit does not have multiple paths for current flow: - answer
Dual voltage three phase motor has _____ number of terminals - answer
Which one of the following is known as the line that connects between the metering device and the evaporator: - answer
Approximately _____ voltage is required for creating a spark on a spark ignition system:
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