Chapter 3 - Anti-Ice, Rain

Question 1

The rain removal system consists of:

Answer 1

A permanent rain repellent coating on the windshields and wipers.

Question 2

Refer to the thermal anti-ice (TAI) Upper Display Unit indications.

What does a TAI indication shown at the top left side of each display indicate?

Answer 2

If it is green, the cowl anti-ice valve(s) is open.

Question 3

The window heat PWR TEST:

Answer 3

verifies operation of the window heat system

Question 4

When are the ENGINE ANTI-ICE switches turned ON if icing conditions exist on the ground?

Answer 4

during the after engine start procedure.

Question 5

Which window(s) are heated with the LEFT FWD WINDOW HEAT switch ON?

Answer 5

L1 only

Question 6

When do you use wing anti-ice?

Answer 6

a. on the ground when icing conditions exist or are anticipated.
b. as a de-icer or anti-icer in flight.
c. in flight, prior to ice accumulation.
d. all the answers are correct.

Question 7

What is the maximum airspeed limit with a WINDOW OVERHEAT situation?

Answer 7

250 KIAS below 10,000 feet.

Question 8

The R ELEV PITOT light is illuminated.

What does this indicate?

Answer 8

The right elevator pitot probe is not heated.

Question 9

The windshield wipers maintain a clear area on the flight deck forward windows.

Which of the following statements is correct?

Answer 9

Each wiper is operated by a separate control.

Question 10

How are the alpha vanes heated?

Answer 10

By actuating the A and B PROBE HEAT switches.

Question 11

Which pitot probes and sensors are not heated?

Answer 11

The static ports

Question 12

Each cowl anti-ice valve is:

Answer 12

Electrically controlled and pressure actuated.

Question 13

The wing anti-ice system provides bleed air to:

Answer 13

Three inboard leading edge slats.

(think only those closest to the engine)

Question 14

Illumination of an amber COWL ANTI-ICE light indicates:

Answer 14

An overpressure condition

Question 15

Ice protection is provided for the _____ windows:

Answer 15

Forward

Question 16

Fog protection is provided to ___ windows:

Answer 16

All

Question 17

The #1 AC bus powers which windows?

Answer 17

L1 & R2

Question 18

The #2 AC bus powers which windows?

Answer 18

L2, R1

Question 19

Window heat is use to prevent:

Answer 19

Fog building up between the outer panes and bird strikes

Question 20

The pilot should wait approximately ____ minutes prior to resetting the window heat.

Answer 20

2 to 5 minutes

Question 21

The ON lights may take up to ___ seconds to extinguish after the test switch is moved to the OVHT position.

Answer 21

70

Question 22

Any failure of the pitot heat system will result in the following annunciations:

Answer 22

ANTI-ICE and MASTER CAUTION

Question 23

The angle-airflow sensors provide information to:

Answer 23

1. stall warning system
2. autothrottle
3. autopilot
4. autoslats

Question 24

Why does the bleed air switch not need to be on for engine anti-ice to operate?

Answer 24

Because the engine anti-ice is provided by bleed air that is ducted upstream of the engine bleed valve.

Question 25

What must be selected prior to EAI operation?

Answer 25

Ignition to CONT.

Question 26

The COWL VALVE OPEN light indicates:

Answer 26

1. EAI switch ON: valve closed and icing conditions should be avoided 2. EAI switch OFF: valve open and thrust should be reduced to avoid engine overhead.

Question 27

EAI uses which two stages of bleed air?

Answer 27

5th and 9th

Question 28

The COWL ANTI-ICE light indicates:

Answer 28

High pressure between the cowl anti-ice valve and the cowl lip

Question 29

WAI is provided to:

Answer 29

The three inboard leading edge slats only.

Question 30

WAI control valves are ___ operated and do not require ____ to function:

Answer 30

AC power, air pressure

Question 31

With a loss of power, the WAI control valves fail:

Answer 31

in position

Question 32

On the ground, if thrust is advanced to the TO warning threshold when the WAI is ON:

Answer 32

The WAI control valves close and the VALVE OPEN lights illuminate bright.

Question 33

The two causes of a VALVE OPEN WAI light are:

Answer 33

Thermal switch TO thrust threshold exceedance

Question 34

If takeoff occurs with the WAI switch on:

Answer 34

The WAI control valves will close when thrust is advanced and the WAI switch will move to OFF.

Question 35

The stick shaker logic and airspeed indications are adjusted when:

Answer 35

WAI or EAI is turned on and remain adjusted for the rest of the flight even if the switches are turned off.

Question 36

If the WAI VALVE OPEN light is illuminated bright:

Answer 36

The associated valve is not in the commanded position.