©EVERLY 2024/2025 ALL RIGHTS RESERVED.
RI Journeyman's Refrigeration License.
Exam Questions And Answers (Guaranteed
A+)
The temperature scale that freezes water at 32 deg. and boils water at 212 deg. is known as the
___________ scale - Answer✔Fahrenheit
The temperature scale that freezes water at 0 deg. and boils water at 100 deg. is known as the
__________ scale. - Answer✔Centigrade
The definition of specific heat is _______________________ - Answer✔the amount of heat
required to raise 1 lb of a substance 1 deg. F.
The definition of sensible heat is ______ - Answer✔the heat that can be measured by a
thermometer.
The definition of latent heat is ______ - Answer✔the heat used which causes a change of state
The definition of a BTU is ________ - Answer✔the amount of heat required to raise 1 lb of
water 1 deg. F
Heat energy is measured in _________ - Answer✔BTU
Three states of matter are _________ - Answer✔Solid, Liquid, and Gas
One ton of refrigeration is equal to __________ - Answer✔12,000 btu per hour
____________ is the type of heat that is absorbed or extracted from a substance when the
substance changes state - Answer✔Latent Heat
When a substance changes from a liquid to a gas, this is known as the________________ -
Answer✔latent heat of vaporization
When a substance changes from a gas to a liquid, this is known as the________________ -
Answer✔latent heat of condensation.
When a substance changes from a solid to a gas, this is known as the________________ -
Answer✔the latent heat of sublimation
In a refrigeration system, heat is absorbed by ______________ - Answer✔the latent heat of
vaporization in the evaporator.
1|Page
, ©EVERLY 2024/2025 ALL RIGHTS RESERVED.
In a refrigeration system, heat is rejected by _________ - Answer✔the latent heat of
condensation in the condenser.
Frost is - Answer✔adsorbed by the evaporator
The relationship of absolute pressure on the low side to the absolute pressure on the high side is
called the ___________ - Answer✔compression ratio
________________________________ Is called the refrigerating effect - Answer✔The amount
of heat absorbed by the refrigerant used
Generally speaking the ____________________ is the type of system that gives the greatest rate
of heat transfer - Answer✔flooded evaporator
________________ the total amount of heat present in a given substance. - Answer✔Enthalpy is
When hot air remains at the top of a room and cold air at the bottom you will have an occurrence
of a condition known as ___________ - Answer✔stratified air.
The ____ State of a substance will have the highest heat content. - Answer✔vapor
One cubic foot of air at 50 deg F can absorb _____________ - Answer✔less moisture than it
could at 100 deg. F.
A Boudelot cooler ________________ - Answer✔is a heat exchanger
When placed in a bucket of water, the refrigeration effect of 32 deg F. Ice will always be
______________ - Answer✔144 btu per pound.
____________________________ Is called the ambient temperature. - Answer✔The
temperature of the air that surrounds any object
The highest temperature at which vapor can be liquified regardless of the pressure applied is
called ___________________ - Answer✔the critical temperature of a substance.
The critical pressure of a substance is the pressure at which ____________ - Answer✔a liquid
cannot become a vapor by adding heat.
The boiling point of water ______________ when salt is added - Answer✔increases
Heat travels in accordance with the __________________ - Answer✔second law of
thermodynamics.
One degree day is __________________________ - Answer✔computed by taking the average
of the highest and lowest temperatures recorded for a given day and subtracting it from 65 deg. F
The term "Volumetric Efficiency" is the ___________________ - Answer✔actual volume of
vapor pumped divided by the calculated volume.
Refrigerant having either Chorine or Fluorine __________________ when in contact with flame.
- Answer✔can break down to phosgene
2|Page
RI Journeyman's Refrigeration License.
Exam Questions And Answers (Guaranteed
A+)
The temperature scale that freezes water at 32 deg. and boils water at 212 deg. is known as the
___________ scale - Answer✔Fahrenheit
The temperature scale that freezes water at 0 deg. and boils water at 100 deg. is known as the
__________ scale. - Answer✔Centigrade
The definition of specific heat is _______________________ - Answer✔the amount of heat
required to raise 1 lb of a substance 1 deg. F.
The definition of sensible heat is ______ - Answer✔the heat that can be measured by a
thermometer.
The definition of latent heat is ______ - Answer✔the heat used which causes a change of state
The definition of a BTU is ________ - Answer✔the amount of heat required to raise 1 lb of
water 1 deg. F
Heat energy is measured in _________ - Answer✔BTU
Three states of matter are _________ - Answer✔Solid, Liquid, and Gas
One ton of refrigeration is equal to __________ - Answer✔12,000 btu per hour
____________ is the type of heat that is absorbed or extracted from a substance when the
substance changes state - Answer✔Latent Heat
When a substance changes from a liquid to a gas, this is known as the________________ -
Answer✔latent heat of vaporization
When a substance changes from a gas to a liquid, this is known as the________________ -
Answer✔latent heat of condensation.
When a substance changes from a solid to a gas, this is known as the________________ -
Answer✔the latent heat of sublimation
In a refrigeration system, heat is absorbed by ______________ - Answer✔the latent heat of
vaporization in the evaporator.
1|Page
, ©EVERLY 2024/2025 ALL RIGHTS RESERVED.
In a refrigeration system, heat is rejected by _________ - Answer✔the latent heat of
condensation in the condenser.
Frost is - Answer✔adsorbed by the evaporator
The relationship of absolute pressure on the low side to the absolute pressure on the high side is
called the ___________ - Answer✔compression ratio
________________________________ Is called the refrigerating effect - Answer✔The amount
of heat absorbed by the refrigerant used
Generally speaking the ____________________ is the type of system that gives the greatest rate
of heat transfer - Answer✔flooded evaporator
________________ the total amount of heat present in a given substance. - Answer✔Enthalpy is
When hot air remains at the top of a room and cold air at the bottom you will have an occurrence
of a condition known as ___________ - Answer✔stratified air.
The ____ State of a substance will have the highest heat content. - Answer✔vapor
One cubic foot of air at 50 deg F can absorb _____________ - Answer✔less moisture than it
could at 100 deg. F.
A Boudelot cooler ________________ - Answer✔is a heat exchanger
When placed in a bucket of water, the refrigeration effect of 32 deg F. Ice will always be
______________ - Answer✔144 btu per pound.
____________________________ Is called the ambient temperature. - Answer✔The
temperature of the air that surrounds any object
The highest temperature at which vapor can be liquified regardless of the pressure applied is
called ___________________ - Answer✔the critical temperature of a substance.
The critical pressure of a substance is the pressure at which ____________ - Answer✔a liquid
cannot become a vapor by adding heat.
The boiling point of water ______________ when salt is added - Answer✔increases
Heat travels in accordance with the __________________ - Answer✔second law of
thermodynamics.
One degree day is __________________________ - Answer✔computed by taking the average
of the highest and lowest temperatures recorded for a given day and subtracting it from 65 deg. F
The term "Volumetric Efficiency" is the ___________________ - Answer✔actual volume of
vapor pumped divided by the calculated volume.
Refrigerant having either Chorine or Fluorine __________________ when in contact with flame.
- Answer✔can break down to phosgene
2|Page
