NCCER HVAC LEVEL 1 ModuLE 1-5 QuESTIoNS ANd CoRRECT
{VERIFIEd} ANSWERS NEWEST uPdATE|ALREAdY GRAdEd
A+.
In a hydronic heating system, the heat transfer medium is
_____ - SOLUTION-Water
Ultraviolet light is the best method used to ______ - CORRECT
ANSWER-Control the growth of bacteria
In the mechanical refrigeration cycle, the purpose of the evaporator is
to _____ - SOLUTION-Transfer heat from the indoor air to the refrigerant
A defrost cycle is required in ________ - SOLUTIONrefrigeration system
Phosgene gas can be produced when some refrigerants are exposed
to ____ - SOLUTION-A flame
Mastic is a material used to _____ - SOLUTION-Seal ductwork
A mechanical contractor is a company that ______ - SOLUTION-
Specializes in the installation and repair of air conditioning systems
, Building permits are usually issued by the _____ - SOLUTION-Local
government
Keeping your employer's interest in mind is an example of______ -
SOLUTION-loyalty
The minimum number of annual classroom hours required for an
apprenticeship is _____ - SOLUTION-75
Engineering students are most likely to be employed by _____
- SOLUTION-Mechanical contractors
In a common household forced air furnace, heat is transferred from
the ______ - SOLUTION-heat exchangers to the air
Water is often used in heating systems as a _____ - CORRECT
ANSWER-heat exchange medium
Ventilation is concerned with ______ - SOLUTION-THE
INTRODUCTION OF FRESH AIR TO CONTROL INDOOR AIR
QUALITY
The growth of bacteria and other harmful organisms can be reduced
or eliminated by _____ - SOLUTION-ultraviolet light
{VERIFIEd} ANSWERS NEWEST uPdATE|ALREAdY GRAdEd
A+.
In a hydronic heating system, the heat transfer medium is
_____ - SOLUTION-Water
Ultraviolet light is the best method used to ______ - CORRECT
ANSWER-Control the growth of bacteria
In the mechanical refrigeration cycle, the purpose of the evaporator is
to _____ - SOLUTION-Transfer heat from the indoor air to the refrigerant
A defrost cycle is required in ________ - SOLUTIONrefrigeration system
Phosgene gas can be produced when some refrigerants are exposed
to ____ - SOLUTION-A flame
Mastic is a material used to _____ - SOLUTION-Seal ductwork
A mechanical contractor is a company that ______ - SOLUTION-
Specializes in the installation and repair of air conditioning systems
, Building permits are usually issued by the _____ - SOLUTION-Local
government
Keeping your employer's interest in mind is an example of______ -
SOLUTION-loyalty
The minimum number of annual classroom hours required for an
apprenticeship is _____ - SOLUTION-75
Engineering students are most likely to be employed by _____
- SOLUTION-Mechanical contractors
In a common household forced air furnace, heat is transferred from
the ______ - SOLUTION-heat exchangers to the air
Water is often used in heating systems as a _____ - CORRECT
ANSWER-heat exchange medium
Ventilation is concerned with ______ - SOLUTION-THE
INTRODUCTION OF FRESH AIR TO CONTROL INDOOR AIR
QUALITY
The growth of bacteria and other harmful organisms can be reduced
or eliminated by _____ - SOLUTION-ultraviolet light
