Ice and Rain Protection Flashcards
The aircraft has a total of _______ ice detector probes.
2
The ice detector system uses _______ to detect ice.
Vibration frequency of the ice detector probes
The leading edge slats are heated by _______.
Bleed air only
True or False: Engine performance during takeoff is affected by the anti-ice system.
True
Each windshield consists of _______ sensor(s) and one (1) element.
3
The following areas are anti-iced EXCEPT _______.
- EXCEPT horizontal and vertical stabilizer - -
Leading edge of the engine nacelles (inlet cowl),
leading edges of each wing (slats 2,3,4)
True or False: When the wing anti-ice system is no longer needed, it must be
manually shut off.
False
How long does the anti-ice protection system test last?
Max 60 sec.
In the event that an electrical signal is lost, the valve for the engine bleed air anti-ice system will _______.
Default to the fully open position
True or False: The ADSPs and the Total Air Temperature probes located on the
nose of the aircraft are heated to ensure they deliver correct information to the Air Data system.
True
When the selector knob is in the LOW position, the wipers will operate at _______ cycles per minute.
80
When the selector knob is in the HIGH position, the wipers will operate at _______ cycles per minute.
125
When the selector knob is in the TIMER position, the wipers will operate
intermittently every _______ seconds.
8 sec.
True or False: The wipers will automatically stop when operating on a dry windshield.
True
The aircraft’s electrical system is NOT used to heat which of the following
components?
- NOT LEADING EDGE SLATS - -
(Electrical:) Flight deck windshields, Air Data Smart Probes
Which of the following statements is correct regarding the engine anti-ice system?
Only the leading edges of the engine nacelles are anti-iced.
Supplies bleed air to the engine inlet cowl from the 10th stage high pressure bleed duct
True or False: The message “ICE CONDITION” will display on EICAS and the Anti-ice synoptic page whenever the wing anti-ice system is activated.
False
[Ice Detection Probes indication only]
True or False: If both ice detectors fail, the ice protection system will become
completely inoperative.
False
[manual mode]
True or False: If the left engine inlet anti-ice system fails, the cross bleed valve will open to supply air from the right engine’s bleed system.
False
When in flight with a single AC electrical source available, which of the following will be true regarding windshield heat?
only the left windshield will be heated
- if the left windshield heating system fails, then the right windshield heating system becomes available
True or False: The wing anti-ice system performs its own self-test.
True
When does the wing anti-ice system perform its self-test?
First of: 10 min. after takeoff or 10,000 ft
