Air Conditioning

Question 1

In the event and ACM O’HEAT annunciator illuminates what if any other indications will occur while airborne

A. AIR DUCT O’HEAT illuminates

B. EMER PRESS illuminates

C. BLD AIR O’HEAT illuminates

D. ENGINE FIRE switchlight 8

Answer 1

B

Question 2

The 35ﾟF low temperature sensor associated with the water separator remained operational

A. If EMER is selected with the PRESS SOURCE selector

B. If MANUAL mode temperature control is selected

C. If main DC power is lost

D. If the ACM O’HEAT annunciator illuminates

Answer 2

B

Question 3

If the AIR DUCT O’HEAT CKPT annunciator illuminates

A. The ECU normal flow control valves will close

B. Air in the overhead air duct is too warm

C. Air flow into the cockpit under floor duct is too hot

D. Air from the ECU is too warm

Answer 3

C

Question 4

Air entering the cabin through the overhead duct is

A. Temperature regulated

B. Regulated cabin air

C. Fresh ram air

D. Unregulated ACM cold air

Answer 4

D

Question 5

Temperature control valve (TCV) provides

A. Mixing of ram air with cold air from the ECU

B. Increased or decreased air flow into the cabin and cockpit air distribution ducts

C. Automatic temperature controller only

D. It’s hot bleed air from the precoolers to mix with cold air from the ECU

Answer 5

D

Question 6

The temperature control panel provides

A. Is separate automatic and manual temperature controls from the cabin and the cockpit

B. Automatic temperature control only

C. Manual temperature control only

D. Provides temperature indications in a digital format in degrees Celsius

Answer 6

A

Question 7

With loss of DC power, and the battery in the EMER position

A. If temperature is controlled by selecting MANUAL on the ECU

B. Temperature must be controlled by selecting emergency pressurisation

C. The ECU is powered from the EMER bus

D. The ability to control cabin temperature is lost

Answer 7

D

Question 8

If the emergency pressurisation has been selected or activated, cabin temperature is controlled by

A. Regulating power to the RIGHT engine

B. Turning the WEMAC boost fan too HIGH

C. Temperature is still controlled by the ECU

D. Regulating power on the LEFT engine

Answer 8

D