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Question:
_______
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1 kWh of electric power is equivalent to _______ Btu per hour:
3412
Most of the heat transfer from the heat exchanger is by which of the following:
Convection
The _______ of the manifold gauge set is used to charge, evacuate, add oil and recover refrigerant from a refrigeration and air conditioning system:
Yellow hose
Single phase induction motor is self starting machine:
False
The air-to-air heat pump loses capacity as the outside temperature goes down
True
_______ is a combination of both sensible heat and latent heat:
Enthalpy
When dry bulb temperature is equal to wet bulb temperature, the evaporation rate will be:
zero
When there is an increase in the heat load on the evaporator, the refrigerant will tend to evaporate at a _______ rate:
Faster
The larger the diameter of the center hose, the higher will be evacuation time of the refrigerant from the system.
Sight glass is present at _______ in the refrigeration cycle:
Liquid line
_______ is the heat that is absorbed or extracted when a substance changes its state:
Latent heat
BTU stands for _______
British Thermal Unit
Conductance is a term used to denote heat flow through _______ materials
non-homogeneous
In water-tube boilers, pressures range from _______ :
50 to 5000 psig
Recovery cylinders are color coded with grey bottom and _______top:
Yellow
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