When controlling the cabin temperature with the manual temperatureswitch, the mixing valve is positioned from full hot to full cold in approximately: a) 18 seconds. b) 6 seconds. c) 3 seconds. d) 10 seconds.
The AIR DUCT O’HEAT annunciator light illuminates when the: a) ACM shuts down. b) Temperature of air in the duct to the cabin is excessive. c) Temperature of the air going to the windshield is excessive. d) EMER source is selected unless the left throttle is retarded.
If the ACM overheat switch has activated and the ACM has shutdown, it may be reset by placing the PRESS SOURCE selector in: a) EMER. b) GND. c) NORMAL. d) Either LH or RH.
Selecting the HI position with the OVHD fan switch: a) Increases the airflow from the over- head ducts. b) Increases air Flow from the underfloor ducts. c) Increases the air Flow in the windshield defog system. d) Keeps the toilet area ventilated.
Closing the footwarmers on descent: a) Cuts off airflow to the windshields. b) Cuts off all fresh air to the side windows. c) Increases air Flow to the side Windows for defogging on descent. d) Results in side window fogging.
The source of bleed air when the EMER PRESS annunciator is illuminated in flight is: a) Either the left or right engine. b) The left engine only. c) The right engine only (provided that the GND position is not selected). d) Ram air.
The OAT is 90°F (32° C); as the airplane passes through 4,000 feet on climb out, the EMER PRESS light illuminates, and the noise level in the cockpit increases: a) The ACM has shutdown due to an overheat; select EMER with the PRESS SOURCE selector and a cooler temperature with the automatic temperature selector. b) The ACM has shutdown; turn the PRESS SOURCE selector OFF, and call for the checklist. c) The ACM has shutdown due to an overheat; adjust to a warmer temperature, select EMER with the PRESS SOURCE selector, and call for the checklist. d) The ACM has not shutdown; select MAN and full cold to cool it down, thus preventing damage.
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