Questions with Correct Verified
Answers 2026-2027. Graded A
1 kWh of electric power is equivalent to how many Btu per hour: - ANS3412
1 Watt is equal to - ANS3.41 Btu's
A high pressure steam boiler operates at a pressure greater than - ANS15
psig
At what voltage is gas valve operates? - ANS24V
Current in a closed circuit is limited by: - ANSResistance
Furnaces are placed into categories based upon - ANSVenting
characteristics
Heat that is absorbed or extracted when a substance changes its state is -
ANSLatent heat
Higher the ambient temperatures, ____ will be the evacuation time of the
refrigerants from the system - ANSLesser
Propane and Butane are _______ than air: - ANSHeavier
1