ESCO EXAM PACKAGE DEAL WITH COMPLETE SOLUTIONS.

A gas furnace to be installed in a garage. The national standards requires that the burners and ignition must be located ____ above the floor: - Answer-18 inches A good description of how a bi-metal fan switch operates the blower motor on a gas furnace is: - Answer-Temperature on/ Temperature off...

1. A gas furnace is to be installed in a garage. The burners and ignition sources must be located ______ above the floor. A: 6 inches B: 12 inches C: 18 inches D: 24 inches - Answer-C: 18 inches 2. A good description of how hi-metai fan switch operates the blower motor on a gas furnace is: A:...

1. An air-to-air heat pump has many of the same components as an air conditioning system. The major difference is that a heat pump also has a (an); - Answer-C: reversing valve. 2. What is the difference between "demand defrost" and "timed defrost?" - Answer-D: demand defrost only happens when...

Heat which causes a change in temperature of a substance is called - Answer-Sensible Heat Heat added to a substance without a rise in temperature is called - Answer-Latent Heat Heat added to refrigerant in a vapor state after the evaporation process is called - Answer-Superheat A scroll compresso...

Heat which causes a change in temperature of a substance is called - Answer-Sensible heat Heat added to a substance without a rise in temperature - Answer-Latent heat Heat added to the refrigerant in a vapor state after the evaporation process is called - Answer-Superheat Scroll compressor move r...

What is current flow? - Answer-D.The flow of electrons in a circuit What is impedance? - Answer-A.Opposition to alternating current Like charges will - Answer-B.Repel each other Any material that will readily release electrons is called: - Answer-B.A conductor The symbol for current is: - Answer...

An air-to-air heat pump has many of the same components as an air conditioning system. The major difference is that a heat pump also has an - Answer-Reversing valve What is the difference between "demand defrost" and "timed defrost"? - Answer-Demand defrost happens only when needed and timed ...

Heat which is added to a vapor after the change of state occurs is called - Answer-superheat A refrigerant gives up heat when; - Answer-it condenses it is desirable for refrigerant in the suction line to be slightly superheated in order to... - Answer-ensure liquid refrigerant does not enter the ...