Hvac Employment readiness Exam Questions and Answers 100% Pass

Hvac Employment readiness Exam Questions and Answers 100% Pass Sensible Heat - Correct Answer ️️ -Causes a change of temperature in a substance. Latent heat - Correct Answer ️️ -Heat added to a substance without a rise in temperature. Superheat - Correct Answer ️️ -Heat added to the refrigerant in the vapor state after the evaporator process. How does a scroll compressor work? - Correct Answer ️️ -By means of Involute spirals Convection - Correct Answer ️️ -The movement of heat by fluid or air Conduction - Correct Answer ️️ -Movement of heat by direct contact BTU Definition - Correct Answer ️️ -Standard unit for measuring heat in a substance. British thermal unit. Amount of heat required to raise 1lb of water 1° When does refrigerant give up heat? - Correct Answer ️️ -When it condenses Refrigerant in the suction line may be what? - Correct Answer ️️ -Slightly warmer than the saturation temperature to prevent liquid slugging of the compressor. The state of refrigerant in the suction line? - Correct Answer ️️ -Low pressure, low temperature vapor. The state of the refrigerant entering the condenser? - Correct Answer ️️ -High pressure, high superheated vapor. What does the evaporator do? - Correct Answer ️️ -Transfers heat from the refrigerated space into the refrigerant. The Thermodynamic property's of refrigerant are? - Correct Answer ️️ -Critical point, saturation point and enthalpy. Steps of vapor compression process - Correct Answer ️️ -Compression, Condensation, expansion and vaporization. What are Fan airflow pressures measured in? - Correct Answer ️️ -Inches of water column. WC Zero P S I A - Correct Answer ️️ -Pounds per square inch absolute. Zero P S I G - Correct Answer ️️ -Pounds per square inch Gauge