QUESTIONS & ANSWERS(RATED A+)
Convection - ANSWER The movement or circulation of a fluid or vapor at a non-
uniform temperature due to one part being hotter than another part.
Radiation - ANSWER The project of heat like the heat radiated by the sin or by an open
flame.
Expansion,evaporation, compression, and condensation - ANSWER Four basic steps
in the refrigeration cycle
Heat - ANSWER is constantly on the move, traveling only in one direction and always
moving from hot to cold.
Conduction and convection - ANSWER Methods of heat movement
Direct expansion and Gravity flooded - ANSWER Two basic forms of refrigeration
systems
Conduction - ANSWER method by which heat transfers through a substance
The ammonia flows through the condenser - ANSWER Condensation occurs in
expansion device, evaporator, compressor, condenser - ANSWER Basic refrigeration
system consists of
Low side - ANSWER consists of all components between the pressure reduction device
outlet to a point inside the compressor
refrigeration process - ANSWER expansion, evaporation, compression, condensation
Evaporation - ANSWER takes place as the ammonia refrigerant flows through the
evaporator
king vavle - ANSWER easily identifiable, usually located at the receiver
Psig +14.7 at sea level. - ANSWER Find absolute pressure formula
Absolute,gauge,inches of mercury in a vacuum - ANSWER Scales used to measure
pressure
can damage the compressor - ANSWER Liquid ammonia that passes through the
compressor