Refrigeration Final Exam Study Questions & Answers 100% Correct!!
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Refrigeration Fi
Institution
Refrigeration Fi
Specific Heat is - ANSWER-the amount of heat neccessary to raise the temperature of a substance one deg F
What are two types of heat - ANSWER-sensible and latent
Heat flow by conduction is - ANSWER-energy travelling from one molecule to another
Radiation can be defined as - ANSWER-transfer...
Refrigeration Final
Exam Study Questions
& Answers 100%
Correct!!
Specific Heat is - ANSWER-the amount of heat neccessary to raise the temperature of a substance
one deg F
What are two types of heat - ANSWER-sensible and latent
Heat flow by conduction is - ANSWER-energy travelling from one molecule to another
Radiation can be defined as - ANSWER-transfer of heat through the air without heating the air and is
absorbed by a solid object
Water freezes at - ANSWER-32 deg f
Refrigeration is - ANSWER-the tranfer of heat from a place where it is not wanted to a place where it
is less objectionable
Heat flows from - ANSWER-hot to cold
A btu is - ANSWER-British Thermal Unit
, A btu can be defined as - ANSWER-the amount of heat required to raise one lb of water one deg f
What is the definition of temperature - ANSWER-the measure of the intensity of heat
Absolute zero is - ANSWER--460 deg f
Atmospheric pressure at sea level is - ANSWER-14.7 psi
100 deg C equals - ANSWER-212 deg f
Water boils at - ANSWER-212 deg f
A rise in sensible heat causes - ANSWER-a change of temperature of a substance
Latent heat causes - ANSWER-a change of state
The amount of heat required to raise two pounds of ice two deg f is - ANSWER-2 btu
As the temperature of a substance increases the molecules in the material - ANSWER-travel faster
PSIG indicates - ANSWER-pounds per square inch gauge
How many btus are required to change one lb of ice at 20 deg f to one lb of steam at 220 deg f -
ANSWER-1304 btu
Which of the following represents a differnet temperature than the other three - ANSWER-475 deg k
What is 24 psig in absolute pressure - ANSWER-38.7 psia
The pressure exerted by a block of steel is - ANSWER-downward
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