Mod 5 Quiz

Question 1

what are the four basic types of aircraft heaters

Answer 1

exhaust
combustion air
bleed air
electrical

Question 2

what are some risks associated with aircraft heating

Answer 2

carbon monoxide entering cabin

Question 3

what are the main components of a combustion air type heater

Answer 3

vent blower
combustion air blower
combustion chamber
fuel pump
fuel solenoid
fuel shut off valve
ignition unit

Question 4

not including the heater start, what are the five switches included in the combustion air system? which are operated by the pilot?

Answer 4

overheat

combustion air pressure switch

duct switch

cycle switch

purge switch

pilot has access to the duct switch

Question 5

what is a PACK system

Answer 5

PACK is short for pneumatic air cycle kit and is used to cool incoming engine air to a more usable temperature. also removes moisture from the air before it can enter the cabin

Question 6

what is a vapour cycle system?

Answer 6

a self contained air conditioning system that uses compressed refrigerant to absorb heat and cool the surrounding air

Question 7

what is most commonly used as refrigerant for a vapour cycle system

Answer 7

Freon is what is most commonly used

Question 8

what are the five main components of a vapour cycle system

Answer 8

compressor
condenser
receiver-dryer
expansion valve
evaporator