12097189
Beschreibung
Quiz von Kaitlyn Hickey, aktualisiert more than 1 year ago
|
Erstellt von Kaitlyn Hickey
vor fast 7 Jahre
|
|
Frage 1
Frage
Which device distributes heat via duct work through registers
Antworten
-
Baseboard heater
-
Unit heater
-
Electric furnace
-
Heating cable swt
Frage 2
Frage
What is installed directly in up flow vertical duct, or plenum that is intended to be the primary source of heat
Antworten
-
Duct heater
-
Plenum heater
-
Electric furnace
-
Domestic water heater
Frage 3
Frage
Which section of the CEC deals with installation of heating units?
Antworten
-
Section 12
-
Section 16
-
Section 46
-
Section 62
Frage 4
Frage
Temperature is a measure of
Antworten
-
Average kinetic energy in air
-
Total amount of heat in a substance
-
Average amount of heat in a substance
-
An object’s thermal intensity
Frage 5
Frage
A BTU is
Antworten
-
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
Frage 6
Frage
Heat transferred by electromagnetic wave motion by which we receive heat from the sun is through?
Antworten
-
Conduction
-
Convection
-
Radiation
-
HVAC units
Frage 7
Frage
The heat exchanger is a
Antworten
-
Steel enclosure
-
Evaporator unit
-
Condenser unit
-
Thermal expansion valve
Frage 8
Frage
What is usually provided on the intake side of the fan in the return air system?
Antworten
-
Supply plenum
-
Power supply filter
-
Filter
-
Flue of stack
Frage 9
Frage
The function of the refrigeration cycle is to
Antworten
-
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
Frage 10
Frage
Air conditioners and heat pumps cool a home by
Antworten
-
Bringing cool air into a home
-
Removes heat from within a home
-
Neither one
Frage 11
Frage
Which part of the HVAC system is responsible for compressing the Freon
Antworten
-
Compressor
-
Condenser
-
Evaporator
-
TX Valve
Frage 12
Frage
This type of compressor is completely sealed inside a metal housing and is not serviceable
Antworten
-
Hermetic
-
Reciprocating
-
Scroll
-
Semi-hermetic
Frage 13
Frage
If the load on the evaporator changes, what type of valve can respond to the change and increase or decrease the flow accordingly
Antworten
-
Automatic shut-off valve
-
ATV valve
-
TV Valve
-
TX valve
Frage 14
Frage
What is a fluid that changes readily from a liquid to a vapour or from a vapour to a liquid?
Antworten
-
Refrigerant
-
Neon
-
Vapour
-
Xenon
Frage 15
Frage
A conventional condenser unit requires a liquid refrigerant which is also called?
Antworten
-
Freon
-
Hydrogen
-
Helium
-
Carbon dioxide
Frage 16
Frage
What is the refrigerant state when it is going towards the condenser?
Antworten
-
Low pressure
-
High pressure
-
Dry vapour
-
Temperature vapour
Frage 17
Frage
Which component pushes the hot gas to the finned condenser coil in the outdoor side of the air conditioner
Antworten
-
Control valve
-
Evaporator thermal expansion valve
-
The receiver
-
The compressor
Frage 18
Frage
Two different pressures exist in the refrigeration cycle. The two components that separate the high-pressure side from the low-pressure side are
Antworten
-
Compressor and TRX valve
-
Evaporator coil and TRX valve
-
Condenser coil and compressor
-
Compressor and receiver
Frage 19
Frage
In the cooling mode, what component is located inside the building?
Antworten
-
The Condenser coils
-
The 4 way reversing valve
-
The compressor
-
The evaporator
Frage 20
Frage
This law states that heat always from from a higher temperature to a lower temperature
Antworten
-
OHM’s
-
Newton
-
Thermodynamics
-
Gay-Lussac’s
Frage 21
Frage
The amount of heat added to the liquid to make it saturated and change states is called?
Antworten
-
Super heat
-
Heat energy
-
Latent heat
-
Transferred heat
Frage 22
Frage
Heat, that when added or removed, causes a change in temperature but not in state
Antworten
-
Latent heat
-
Sensible heat
-
Low heat
-
Energy heat
Frage 23
Frage
Refrigerant lines are usually made from
Antworten
-
Aluminum
-
Stainless steel
-
Cooper
-
Either a and c
Frage 24
Frage
What type of vents are usually used which can handle a wide range of temperatures?
Antworten
-
Plastic
-
Metal
-
Aluminum
-
Steal
Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.