Anti-Ice/Rain Flashcards
What position must Engine ignition be selected to prior to and during engine anti-ice operation?
A. CONT
B. GRD
C. OFF
A. CONT
Window heat must be ON how many minutes before takeoff?
A. 20 minutes
B. 15 minutes
C. 10 minutes
C. 10 minutes
When must probe heat be ON?
A. before taxi
B. before takeoff
C. before engine start
B. before takeoff
________flight deck windows are not electrically heated.
A. L3 and R3
B. L2, L3, R2 and R3
C. L2 and R2
A. L3 and R3
Temperature controllers maintain window heat at the correct temperature on which windows to ensure maximum strength of the windows in the event of bird impact?
A. L1, L3, R1, and R3
B. L1, R1, L2, and R2
C. L3, L2, L1, R1, R2, and R3
B. L1, R1, L2, and R2
On the Window Heat Panel, when an overheat condition is detected, power is removed from the window, the green ON light extinguishes, and __________.
A. an amber OVERHEAT Light is illuminated
B. a green OVERHEAT Light is illuminated
C. a red fire warning light is illuminated
A. an amber OVERHEAT Light is illuminated
On the Window Heat Panel what is occurring when a green window heat ON light is illuminated?
A. window heat is being removed from the selected window(s).
B. an overheat condition has occurred on the window(s).
C. window heat is being applied to selected window(s).
C. window heat is being applied to selected window(s)
By placing the WINDOW HEAT Test Switch to OVHT, _______________ is simulated.
A. an overheat condition
B. a confidence test
C. an overheat condition and all window ON lights illuminate
A. an overheat condition
What happens when placing the WINDOW HEAT Test Switch to PWR TEST?
A. the controller is forced to remove all power, bypassing normal temperature control.
B. It provides a confidence test.
C. It bypasses all overheat protection
B. It provides a confidence test.
Engine bleed air thermal anti-icing prevents the formation of ice on which part of the engine?
A. engine cowl lip
B. spinner
C. engine fan blades
A. engine cowl lip
Each cowl anti-ice valve is _______ actuated and ______ controlled.
A. pressure; electrically
B. pressure; electrically
C. electrically; hydraulically
A. pressure; electrically
________________occurs when the ENG ANTI-ICE switches are positioned to ON.
A. The stick shaker and minimum maneuver speed bars on airspeed indications are adjusted. The airspeed indications return to normal when engine anti-ice is positioned OFF if wing anti-ice has not been used in flight.
B. Engine bleed air is allowed to flow through the cowl anti-ice valve for cowl lip anti-icing, and the stick shaker logic is set for icing conditions.
C. All answers are correct
C. All answers are correct
If the cowl anti-ice valve fails to move to the position indicated by the ENG ANTI-ICE switch, an amber TAI indication illuminates on the CDS after a short delay and the COWL VALVE OPEN light ________ .
A. remains illuminated bright blue
B. illuminates amber
C. remains illuminated dim blue
A. remains illuminated bright blue
An amber illuminated COWL ANTI-ICE Light on the Engine Anti-Ice Panel indicates __________.
A. an over temperature condition in duct downstream of engine cowl anti-ice valve
B. excessive pressure in the duct leading from the cowl anti-ice valve to the cowl lip
C. cowl anti-ice needs to be turned on
B. excessive pressure in the duct leading from the cowl anti-ice valve to the cowl lip
What does a green TAI on the upper display unit above the N1 gage indicate?
A. cowl anti-ice valve(s) open
B. cowl anti-ice valve(s) in transit
C. cowl anti-ice valve(s) closed
A. cowl anti-ice valve(s) open
