REFRIGERATION
Terms
undefined, object
copy deck
- HOW DO YOU CALCULATE THE AREA OR A CIRCLE ?
- 3.14 X R X R = AREA
- DIAMETER OF A CIRCLE
- INSIDE MEASUREMENT OF A CIRCLE
- RADIUS OF A CIRCLE
- 1/2 THE DIAMETER
- 1 SQUARE FOOT = HOW MANY CUBIC INCHES ?
- 144
-
ONE CUBIC FOOT =
HOW MANY CUBIC INCHES - 1728
- VOLUME OF A RECTANGLE
- HEIGTH X WIDTH X LENGTH = VOLUME
- CHANGE INCHES TO FEET
- DIVIDE BY 12
- CHANGE FEET TO INCHES
- MULTYPLY BY 12
-
1 TON OF REFRIGERATION
PER MINUTE ? - 200 BTU PER MINUTE
-
1 TON OF REFRIGERATION
PER HOUR ? - 1200 BTU PER HOUR
-
1 TON OF REFRIGERATION
PER DAY ? - 288.000 BTU PER DAY
- CHANGE CENTIGRATE TO FARENHEIT
- CENTI X 1.8 + 32 = FARENHEIT
- HOW MUCH DOES A GALON OF WATER WEIGH
- 8.33 LBS
- HOW MAMY CUBIC INCHES = 0NE GALLON
- 231 CUBIC INCHES
-
ONE CUBIC INCH OF WATER =
POUNDS - .0361 LBS
-
ONE CUBIC FOOT OF WATER =
GALONS - 7.48 GALONS
- LATENT HEAT OF WATER IS
- 970 BTU
- LATENT HEAT OF ICE IS
- 144 BTU
- SPECIFIC HEAT OF WATER
- 1
- VOLUME OF A CYLYNDER
- RADIUS X RADIUS X 3.14 X LENTH
- ONE KILOWATT =__________WATTS
- 1,000 WATTS
-
EACH HOURSEPOWER REQUIRES
_______WATS OF ELECTRICITY - 746
- COVERT HP TO WATTS
- HP X 746 = WATTS
- CONVERS KILLOWATS TO $
- 7.46 X $ =
- WHAT IS LATENT HEAT ?
- WHEN THE TEMPERATUE IS REACHED AT WICH HEAT ADDED OR SUBTRACTED DOES NOT CAUSE FURTHER CHANGE IN TEMPERATURE(AS AT FREEZING OR BOILING POINT)
- GROUP 1 REFRIGERANTS
- NON TOXIC
- GROUP 2 REFRIGERANTS
- IRRITANTS
- GROP 3 REFRIGERANTS
- FLAMABLE
- PURPOSE OF THE COMPRESSOR
-
IT TO INCREASE THE PREASURE
OF A GIVEN VOLUME AND WEIGHT
OF GAS(IN THIS CASE REFRIGERANT) - WHAT ARE THE TWO CLASIFICATIONS (KINDS)OF COMPRESSORS ?
-
POSSITIVE DISPLACEMENT &
NON-POSITIVE DISPLACEMENT - HOW DO POSITIVE DISPLACEMENT COMPRESORS WORK ?
- THEY INCREASE THE PREASURE OF THE REFROGERANT BY PHYSICLLY REDUCING ITS VOLUME
- HOW DO NON-POSITIVE DISPLACEMENT COMPRESORS WORK ?
- THEY RELY ON THE VELOCITY PREASURE PRODUCED BY ACCELERATION THEN DECELERATION OF VAPOR AS IT FLOWS THROUGH THE COMPRESOR
- WHAT IS AN EXAMPLE OF A POSITIVE DISPLACEMENT COMPRESSOR ?
-
A-RECEPROCATING
B-SCREW
C-SCROLL
D-ROTARY -
WHAT IS A EXAMPLE OF A
NON-POSITIVE DISPLACEMENT COMPRESSOR ? - A-CENTRIFUGAL
- WHAT IS THE FUNCTION OF THE EVAPORATOR ?
-
IT IS A HEAT EXCHANGER
HEAT FROM AN OBJECT OR A MASS IS ABSORBED INTO THE REFRIGERANT - WHAT IS THE POUPOSE OF THE CONDENSER ?
-
1-LIQUEFY THE REFRIGERANT
2-REJECT HEAT FROM REFRIGERATION CYCLE