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Question 1

Heating, Ventilation and Air Conditioning

Answer 1

HVAC

Question 2

control the indoor environment

Answer 2

HVAC

Question 3

Conditions at which most people are
likely to feel comfortable most of the
time

Answer 3

Human Comfort

Question 4

eXERTED BY A VOLUME OF AIR IN A A GIVEN CONTAINER

Answer 4

AIR PRESSURE

Question 5

PARTIAL PRESSURE OF THE WATER VAPOR

Answer 5

VAPOR PRESSURE

Question 6

TEMPERATURE WITH NO MOISTURE IN THE AIR

Answer 6

Dry Bulb Temperature

Question 7

MAXIMUM AMOUNT OF WATER VAPOR THAT AIR CAN HOLD.

Answer 7

dew point temperature

Question 8

temperatire at which air reaches 100% relative humidity.

Answer 8

dew point

Question 9

ACTUAK AMOUNT OF MOISTURE CONTAINED IN THE AIR

Answer 9

absolute humidity

Question 10

RATIO OF THE AMOUNT OF MOISTURE IN THE AIR TO THE MAXIMUM AMOUNT OF MOISTURE THE AIR CAN HOLD.

Answer 10

RELATIVE HUMIDITY

Question 11

Air is said to be saturated at ____ relative humidity

Answer 11

100%

Question 12

change of refrigerant from liquid to gaseous state takes place in the _______

Answer 12

Evaporator

Question 13

the change of refrigerant’s state from vapour to liquid takes place in the _________

Answer 13

Condenser

Question 14

pumps the refrigerant through the air conditioning system at a designed flow rate and pressure

Answer 14

Compressor

Question 15

helps in cooling the vapour
refrigerant

Answer 15

Fan

Question 16

The Metering device
controls the flow of liquid refrigerant to the
evaporator.

Answer 16

Expansion valve

Question 17

This Component is the heart of the system.

Answer 17

Compressor:

Question 18

Traps dirt & require preventive maintenance & cleaning

Answer 18

Condenser

Question 19

what gets rid of the heat in the system.

Answer 19

CondenserCoil

Question 20

Separates the high pressure side of the system from low pressure side.

Answer 20

Compressor

Question 21

Removes moisture from air(condensate).

Answer 21

Evaporator:

Question 22

Provide cooled air to the space.

Answer 22

Evaporator:

Question 23

Draw ambient and mix air across evaporator coil.

Answer 23

Evaporator fan:

Question 24

Draw ambient and mix air across evaporator coil.

Answer 24

Evaporator fan:

Question 25

Located at the evaporator coil.

Answer 25

Thermal expansion valve:

Question 26

Separates the high pressure side of the system from low pressure side

Answer 26

Thermal expansion valve:

Question 27

they've been shown to contribute to the greenhouse gas effect

Answer 27

Chlorofluorocarbons

Question 28

commonly known as Freon

Answer 28

R22

Question 29

R22 replacement for ACs

Answer 29

R410A

Question 30

ceiling suspended unit that cools the conditioned space via Duct network.

Answer 30

Ductable Split AC

Question 31

Floor Mounted unit that is installed in a separate room commonly known as AHU Room.

Answer 31

Package AC unit

Question 32

large-scale ductless HVAC system that can perform at a high capacity.'

Answer 32

VARIABLE REFRIGERENT FLOW

Question 33

usually used for cooling the small buildings or the rooms on the single floor

Answer 33

'DIRECT EXPANSION

Question 34

supplies chilled water for cooling needs of all the building air- handling units. (AHUs)

Answer 34

CHILLED WATER SYSTEMS

Question 35

facilitator of heat transfer between the inside of a building and outside of a building

Answer 35

CHILLED WATER SYSTEMS

Question 36

are installed in an open window.

Answer 36

WINDOW AC

Question 37

unit that includes the compressor, refrigerant and liquid line

Answer 37

WINDOW AC

Question 38

On the exterior the heat drawn from the interior is dissipated into the environment as a second fan blows outside air over the condenser.

Answer 38

WINDOW AC

Question 39

The condenser is separated from the "indoor unit", thus the term "split"

Answer 39

SPLIT AC

Question 40

They are ductless and they can be great for use in both residential and commercial buildings.

Answer 40

SPLIT AC

Question 41

equipment uses a stream of compressed air directed downwards to form shield to exclude drafts

Answer 41

AIR CURTAIN