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RETA CARO Chapter 1 Exam Questions With Verified Solutions $10.99   Add to cart

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RETA CARO Chapter 1 Exam Questions With Verified Solutions

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RETA CARO Chapter 1 Exam Questions With Verified Solutions Purpose of a Refrigeration System Achieve or maintain proper temperatures in a refrigeration process used for cooling/freezing applications Ton of Refrigeration Rate BTUs transfer per unit time 288,000 BTUs/24 Hours 12,000 BTUs/12...

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  • June 22, 2024
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  • 2023/2024
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RETA CARO Chapter 1 Exam Questions With
Verified Solutions
Purpose of a Refrigeration System
Achieve or maintain proper temperatures in a refrigeration process used for cooling/freezing
applications


Ton of Refrigeration
Rate BTUs transfer per unit time
288,000 BTUs/24 Hours
12,000 BTUs/12 Hours
200 BTUs/1 Minute

rate of refrigeration or cooling


Pressure
Force per unit area.


PSIA
Absolute pressure; measures pressure from zero pressure


PSIG
Gauge pressure, uses atmospheric pressure as the zero point (14.7psia); 0PSIG = 14.7PSIA


Temperature
Measure of the intensity of the heat energy in an object or space


Fahrenheit to Celsius
F=1.8(C)+32


Heat
A form of energy measured in BTUs


BTU
British Thermal Unit; the amount of heat required to change the temperature of one pound of pure
liquid water, one degree Fahrenheit


Heat Quantity
Quantity of heat, measured in BTUs, depends on the mass of an object


Sensible Heat
heat energy that causes a change in temperature, can be sensed on a thermometer, does not change
state


Latent Heat
heat energy that causes a change in state, cannot be measured with a thermometer

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