Anti- Ice and Rain

Question 1

Where is the engine anti-ice (EAI) annunciation displayed?
• The engine anti-ice (EAI) annunciation is displayed on the status page.
• The engine anti-ice (EAI) annunciation is displayed on the secondary engine display.
• Engine anti-ice operation is not displayed
• The engine anti-ice (EAI) annunciation is displayed above the EICAS N1indication.

Answer 1

• The engine anti-ice (EAI) annunciation is displayed above the EICAS N1indication.

Question 2

With the window heat switches ON, when does window heat operate?
• Window heat operates only when the airplane is in flight.
• Window heat operates as soon as electrical power is established.
• Window heat operates when TAT is 10 degrees C or below.
• Window heat operates when the ice detection system detects icing.

Answer 2

• Window heat operates as soon as electrical power is established.

Question 3

When will the “ICING ENG” EICAS message be displayed?
• The ICING ENG message will be displayed if an engine anti-ice valve remains closed when commanded open.
• The ICING ENG message will be displayed if a high temperature anti-ice bleed
air leak is detected in the engine.
• The ICING ENG message will be displayed if anti-ice bleed air for the affected engine is no longer available.
• The ICING ENG message will be displayed if ice is detected & one or both engine anti-ice selectors are engine is no longer available.
• The ICING ENG message will be displayed if ice is detected & one or both engine anti-ice selectors are off.

Answer 3

• The ICING ENG message will be displayed if ice is detected & one or both engine anti-ice selectors are off.

Question 4

Automatic Engine Anti-Ice is:
• Available on the ground or in flight.
• Available only when N1 is above 60%.
• Active only after icing has been detected.
• Inhibited on the ground.

Answer 4

• Inhibited on the ground.

Question 5

The forward windows on the B787 utilize a hydrophobic coating for rain repellent.
A True
B. False

Answer 5

B. False

Question 6

How are all of the flight deck windows heated?
• All of the flight deck windows are heated with bleed air.
• All of the flight deck windows are heated using both electricity and hot bleed air.
• Only the forward flight deck windows are heated electrically
• All of the flight deck windows are heated electrically.

Answer 6

• All of the flight deck windows are heated electrically.

Question 7

Which of the following statement(s) are true about the operation of the WAI and EAI systems?
• Both are automatically activated when required on the ground or in flight.
• On the ground EAI is automatic, WAI requires manual activation.
• WAI is automatic in the air, but WAI requires manual activation on the ground.
• EAI may be manually selected for ground operation and WAI is inhibited on the ground below 80 kts.

Answer 7

• EAI may be manually selected for ground operation and WAI is inhibited on the ground below 80 kts.

Question 8

When WAI is activated, what surfaces are anti-iced?
• All leading edge slats
• Three leading edge slats and three trailing edge flaps on each wing
• All leading edge slats when landing flaps are selected
• The four midwing leading edge slats on each wing

Answer 8

• The four midwing leading edge slats on each wing

Question 9

When is automatic WAI operation inhibited?
• Automatic WAI operation is only inhibited during ground operations above 90kts.
• Automatic WAI operation is only inhibited during ground operations and in flight
with other than landing flaps selected.
• Automatic WAI operation is inhibited on the ground and for 10 minutes after
takeoff (regardless of thrust mode).
• Momentarily for up to 30 seconds during high electrical load periods.

Answer 9

• Momentarily for up to 30 seconds during high electrical load periods.

Question 10

EAI is required for ground operation when which of the following conditions are present?
• EAI is required for ground operation when SAT is 10 degrees C or less.
• EAI is required for ground operation when TAT is 15 degrees C or less, with visible moisture or visibility less than 1 mile.
• EAI is never required for ground operations.
• EAI must be ON during all ground operations if icing conditions exist or are anticipated.

Answer 10

• EAI must be ON during all ground operations if icing conditions exist or are anticipated.

Question 11

When can engine anti-ice be operated manually?

• Only when TAT above 20C.
• Only on the ground.
• On the ground or in flight.
• Only in flight.

Answer 11

• On the ground or in flight.

Question 12

Which windows are heated for anti-ice protection?
• Forward windows and side windows.
• Forward windows only.
• Captain’s forward window and side window.
• Forward windows and captain’s side window.

Answer 12

• Forward windows only.

Question 13

An “OVERHEAT WING” EICAS message appears if ____.
A. A wing anti-ice pad overheat condition is detected.
B. A wing anti-ice bleed leak is sensed and the WAI switch is AUTO or ON.
C. No messages are generated because of switch position.
D. A and B.

Answer 13

A. A wing anti-ice pad overheat condition is detected.

Question 14

The automatic ice detection system consists of ____

• Three ice detector probes
• One ice detector probe
• Two ice detector probes
• A wiper nut ice sensor

Answer 14

• Two ice detector probes

Question 15

Engine anti-ice provides heat to what area(s)?
• The engine cowl.
• The engine bullet and the fixed stator vanes.
• The engine cowl, the bullet, and the fixed stator vanes.
• The engine cowl inlet and engine core.

Answer 15

• The engine cowl inlet and engine core.

Question 16

What commands operation of the wing and engine anti-ice in the AUTO mode?
• The automatic ice detection system.
• The FMC.
• The CDU.
• The ADIRU.

Answer 16

• The automatic ice detection system.

Question 17

When are the pitot tubes heated?
A. In flight
B. On the ground with either engine operating
C. In flight only.
D. Both A and B are correct.

Answer 17

D. Both A and B are correct.

Question 18

When is the TAT probe heated?
A. In flight only
B. On the ground with either engine operating.
C. When icing conditions are detected
D. None of the above.

Answer 18

A. In flight only

Question 19

ISFD air data may be unreliable in icing conditions with:
• Loss of left pitot probe heat.
• Loss of right pitot probe heat.
• No conceivable condition would cause ISFD air data to become unreliable in icing conditions.
• Loss of center pitot probe heat.

Answer 19

• Loss of center pitot probe heat.

Question 20

If any wing anti-ice mat is inoperative, the opposite wing anti ice mat operation is inhibited.
A. True
B. False

Answer 20

A. True

Question 21

Is automatic wing anti-ice available on the ground?
• No, wing anti-ice is always inhibited on the ground.
• Yes, with either N1 above 80%.
• Yes, if speed is greater than 80 kts.
• Yes, wing anti-ice is always available as long as normal electrical power is
available.

Answer 21

• Yes, if speed is greater than 80 kts.

Question 22

When is automatic ice detection available?
A. In flight.
B. Anytime an engine is running.
C. On the ground above 75 kts.
D. Both A and C are correct.

Answer 22

D. Both A and C are correct.

Question 23

All flight deck windows have a backup electrical power source.
A. True
B. False

Answer 23

B. False

Question 24

Pack inlet anti-ice:
A. is controlled by the automatic ice detection system
B. is inhibited on the ground
C. is inhibited when TAT is above 10 C.
D. All the above

Answer 24

D. All the above

Question 25

When and how are the ice detection probes heated?
• Pneumatically after APU start.
• Electrically after APU start.
• Electrically after engine start.
• Electrically when above 75 kts.

Answer 25

• Electrically after engine start.

Question 26

Which of the following statements is true concerning engine anti-ice?
A. Automatic engine anti-ice is inhibited on the ground.
B. Manual engine anti-ice operation is available both on the ground or in flight.
C. Automatic engine anti-ice is inhibited when on the ground below 100 kts.
D. A and B are correct.

Answer 26

D. A and B are correct.

Question 27

What happens if an engine anti-ice duct leak is detected?
• The engine anti-ice system fails OFF and will automatically reset after 5 minutes.
• The respective engine anti-ice selector must be placed to ON.
• The affected engine anti-ice valve automatically closes.
• The system automatically switches to the alternate anti-ice duct.

Answer 27

• The affected engine anti-ice valve automatically closes.