Show:
Phase-Out
Refrigeration and A/C System Fundamentals
Refrigeration System Components and Operation
Equations
Refrigerant Chemical and Applications
100
Consumption is calculated
What is consumption = production plus imports minus exports?
100
Major Conponents
What is Evaporator, Compressor Metering Device and Condenser?
100
Tell a funny joke
What is laughing?
100
7 to 1.
what is compression ratio?
100
CFCs, HCFCs and HFCs.
chlorofluorocarbons, hydrochlorofluorocarbons and hydrofluorocarbons?
200
No production and no importing ...
What is 2030?
200
Change from a vapor to a liquid
What is condensation?
200
Liquid ______large amounts of heat when they boil off to a gas
What is Absorb
200
A technician can tell how efficiently a system is operating.
what is Compression ratio?
200
DuPont Company
What is a refrigerant numbering system?
300
Montreal Protocol 2020
What is No Production and no importing of any HCFCs?
300
Refrigerant changes state
What is condensation?
300
Reciprocating compressor
What Gas is compresse by squeezing it between the piston and a valve plate at the top of the cylinder
300
Gauge pressure + Atmospheric pressure
what is Absolute pressure?
300
Freon-12
what is Dichlorodifluoromethane?
400
Use less energy, thereby reducing carbon dioxide emissiond
What is R-410A?
400
Refrigerant can coexist
What is vapor and liquid state?
400
Metering device provides the most efficient operation?
What is thermostatic expansion valve?
400
Bonus Questions of 250 points - How much mechanical force is required to lift a 500 pounds compressor two feet?
what is 1000 footpounds of force
400
The refrigerant R-134a in a sytem component has a pressure of 35 psig and a temp.of 40 degree f it is_______
what is saturated
500
Bonus Question Double points- 410A is a Binary ...
What is near-azeotropic mixture?
500
Condensing Pressure
What is High side pressure, Head pressure, Discharge pressure?
500
The _____line and the ______line connect the inside and outside units of a split system.
what is suction and liquid
500
Compression Ratio
what is Absolute discharge pressure divided by Absolute suction pressure?
500
Raise the temperature of one pound of water.
What is a BTU?