Test Bank: Modern Refrigeration
and Air Conditioning
absolute zero - ANSWERSIs the temperature where molecular motion stops
four basic parts of a mechanical refrigeration system -
ANSWERSCompressor, condenser, refrigerant control, and evaporator
The first of the sealed or hermetic automatic refrigeration units introduced
in 1928 - ANSWERSThe Monitor Top
The Brittish thermal Unit - ANSWERSThe U.S. conventional unit of heat
How does heat flow? - ANSWERSFrom warm to cold
Cold - ANSWERSLow temperature or lack of heat
The correct refrigerator temperature for fresh food is - ANSWERS35 to 45
degrees Fahrenheit
What measures the heat intensity of a subject? - ANSWERSTemperature
What is the thermal of an atom multiplied by the number of atoms
affected? - ANSWERSHeat
What two temperatures determine the calibration of a thermometer? -
ANSWERSThe temperature of melting ice, and the temperature of boiling
water.
The are 180 degrees of space between what? - ANSWERSMelting ice (32
deg) and boiling water (212 deg) Fahrenheit.
, What term means a difference? - ANSWERSDelta
What is the force per unit area, and is expressed in pounds per square
inch (psi) - ANSWERSPressure
What is the normal pressure of the atmosphere at sea level? -
ANSWERS14.7 psi
Operation of a refrigeration system depends mainly on what? -
ANSWERSPressure differences in the system
What Law stated that "Pressure applied upon a confined fluid is
transmitted equally in all directions. - ANSWERSPascal's Law
A reading of 0 psi on the gauge is equal to? - ANSWERS14.7 psia
What gauge is used for measuring below atmospheric pressure? -
ANSWERSA mercury gauge
Absolute pressure equals - ANSWERSGauge pressure plus atmospheric
pressure
Substances exist in 3 states depending on what? - ANSWERSTheir
temperature, pressure, and heat content
Objects which float on water have a specific gravity of? - ANSWERSLess
than 1
Objects which sink in water have a specific gravity of? - ANSWERSGreater
than one
BTU (British Thermal Unit) - ANSWERSIs the amount of heat required to
raise the Temperature of 1 pound of water 1 degree Fahrenheit
and Air Conditioning
absolute zero - ANSWERSIs the temperature where molecular motion stops
four basic parts of a mechanical refrigeration system -
ANSWERSCompressor, condenser, refrigerant control, and evaporator
The first of the sealed or hermetic automatic refrigeration units introduced
in 1928 - ANSWERSThe Monitor Top
The Brittish thermal Unit - ANSWERSThe U.S. conventional unit of heat
How does heat flow? - ANSWERSFrom warm to cold
Cold - ANSWERSLow temperature or lack of heat
The correct refrigerator temperature for fresh food is - ANSWERS35 to 45
degrees Fahrenheit
What measures the heat intensity of a subject? - ANSWERSTemperature
What is the thermal of an atom multiplied by the number of atoms
affected? - ANSWERSHeat
What two temperatures determine the calibration of a thermometer? -
ANSWERSThe temperature of melting ice, and the temperature of boiling
water.
The are 180 degrees of space between what? - ANSWERSMelting ice (32
deg) and boiling water (212 deg) Fahrenheit.
, What term means a difference? - ANSWERSDelta
What is the force per unit area, and is expressed in pounds per square
inch (psi) - ANSWERSPressure
What is the normal pressure of the atmosphere at sea level? -
ANSWERS14.7 psi
Operation of a refrigeration system depends mainly on what? -
ANSWERSPressure differences in the system
What Law stated that "Pressure applied upon a confined fluid is
transmitted equally in all directions. - ANSWERSPascal's Law
A reading of 0 psi on the gauge is equal to? - ANSWERS14.7 psia
What gauge is used for measuring below atmospheric pressure? -
ANSWERSA mercury gauge
Absolute pressure equals - ANSWERSGauge pressure plus atmospheric
pressure
Substances exist in 3 states depending on what? - ANSWERSTheir
temperature, pressure, and heat content
Objects which float on water have a specific gravity of? - ANSWERSLess
than 1
Objects which sink in water have a specific gravity of? - ANSWERSGreater
than one
BTU (British Thermal Unit) - ANSWERSIs the amount of heat required to
raise the Temperature of 1 pound of water 1 degree Fahrenheit
