12097189
Descripción
Test por Kaitlyn Hickey, actualizado hace más de 1 año
|
Creado por Kaitlyn Hickey
hace más de 6 años
|
|
Pregunta 1
Pregunta
Which device distributes heat via duct work through registers
Respuesta
-
Baseboard heater
-
Unit heater
-
Electric furnace
-
Heating cable swt
Pregunta 2
Pregunta
What is installed directly in up flow vertical duct, or plenum that is intended to be the primary source of heat
Respuesta
-
Duct heater
-
Plenum heater
-
Electric furnace
-
Domestic water heater
Pregunta 3
Pregunta
Which section of the CEC deals with installation of heating units?
Respuesta
-
Section 12
-
Section 16
-
Section 46
-
Section 62
Pregunta 4
Pregunta
Temperature is a measure of
Respuesta
-
Average kinetic energy in air
-
Total amount of heat in a substance
-
Average amount of heat in a substance
-
An object’s thermal intensity
Pregunta 5
Pregunta
A BTU is
Respuesta
-
Heat energy required to raise the temperature of a litre of water 1F
-
Heat energy required to raise the temperature of a pound of water 1F
-
Heat energy required to raise to raise the temperature of a pound of water 1C
-
Heat energy required to raise the temperature of a litre of water 1C
Pregunta 6
Pregunta
Heat transferred by electromagnetic wave motion by which we receive heat from the sun is through?
Respuesta
-
Conduction
-
Convection
-
Radiation
-
HVAC units
Pregunta 7
Pregunta
The heat exchanger is a
Respuesta
-
Steel enclosure
-
Evaporator unit
-
Condenser unit
-
Thermal expansion valve
Pregunta 8
Pregunta
What is usually provided on the intake side of the fan in the return air system?
Respuesta
-
Supply plenum
-
Power supply filter
-
Filter
-
Flue of stack
Pregunta 9
Pregunta
The function of the refrigeration cycle is to
Respuesta
-
Removes heat from a low temp body delivers it to a high temp body
-
Removes heat from a high temp body and delivers it to a low temp body
-
Rejects energy to low temperature body
-
None of the above
Pregunta 10
Pregunta
Air conditioners and heat pumps cool a home by
Respuesta
-
Bringing cool air into a home
-
Removes heat from within a home
-
Neither one
Pregunta 11
Pregunta
Which part of the HVAC system is responsible for compressing the Freon
Respuesta
-
Compressor
-
Condenser
-
Evaporator
-
TX Valve
Pregunta 12
Pregunta
This type of compressor is completely sealed inside a metal housing and is not serviceable
Respuesta
-
Hermetic
-
Reciprocating
-
Scroll
-
Semi-hermetic
Pregunta 13
Pregunta
If the load on the evaporator changes, what type of valve can respond to the change and increase or decrease the flow accordingly
Respuesta
-
Automatic shut-off valve
-
ATV valve
-
TV Valve
-
TX valve
Pregunta 14
Pregunta
What is a fluid that changes readily from a liquid to a vapour or from a vapour to a liquid?
Respuesta
-
Refrigerant
-
Neon
-
Vapour
-
Xenon
Pregunta 15
Pregunta
A conventional condenser unit requires a liquid refrigerant which is also called?
Respuesta
-
Freon
-
Hydrogen
-
Helium
-
Carbon dioxide
Pregunta 16
Pregunta
What is the refrigerant state when it is going towards the condenser?
Respuesta
-
Low pressure
-
High pressure
-
Dry vapour
-
Temperature vapour
Pregunta 17
Pregunta
Which component pushes the hot gas to the finned condenser coil in the outdoor side of the air conditioner
Respuesta
-
Control valve
-
Evaporator thermal expansion valve
-
The receiver
-
The compressor
Pregunta 18
Pregunta
Two different pressures exist in the refrigeration cycle. The two components that separate the high-pressure side from the low-pressure side are
Respuesta
-
Compressor and TRX valve
-
Evaporator coil and TRX valve
-
Condenser coil and compressor
-
Compressor and receiver
Pregunta 19
Pregunta
In the cooling mode, what component is located inside the building?
Respuesta
-
The Condenser coils
-
The 4 way reversing valve
-
The compressor
-
The evaporator
Pregunta 20
Pregunta
This law states that heat always from from a higher temperature to a lower temperature
Respuesta
-
OHM’s
-
Newton
-
Thermodynamics
-
Gay-Lussac’s
Pregunta 21
Pregunta
The amount of heat added to the liquid to make it saturated and change states is called?
Respuesta
-
Super heat
-
Heat energy
-
Latent heat
-
Transferred heat
Pregunta 22
Pregunta
Heat, that when added or removed, causes a change in temperature but not in state
Respuesta
-
Latent heat
-
Sensible heat
-
Low heat
-
Energy heat
Pregunta 23
Pregunta
Refrigerant lines are usually made from
Respuesta
-
Aluminum
-
Stainless steel
-
Cooper
-
Either a and c
Pregunta 24
Pregunta
What type of vents are usually used which can handle a wide range of temperatures?
Respuesta
-
Plastic
-
Metal
-
Aluminum
-
Steal
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.