Airframe Ice and Rain Control Ch. 13 Sec. A Flashcards
1
Q
- Only aircraft that are specially equipped and properly certified may fly into ____icing conditions.
A
Known
2
Q
- The formation of ice is prevented by ____ (anti-icing or deicing) systems.
A
Anti-Icing
3
Q
- Ice is removed from aircraft surfaces by ____ (anti-icing or deicing) systems.
A
Deicing
4
Q
- Frost must be removed from the wings of an airplane before flight because it forms an effective aerodynamic ____ on the surface, and increases drag
A
Spoiler
5
Q
- There ____ (does ar does not have to be visible water in the air for carburetor ice to form.
A
Does not
6
Q
- Turbine powered aircraft may use ____air to heat the leading edges of the wings to prevent the formation of ice.
A
Bleed
7
Q
- The inlet guide vanes on a turbine engine are provided with anti-icing protection from ____ (bleed air or electrical current).
A
Bleed Air
8
Q
- Pitot heads are protected from icing with ____ (hot air or electrical heaters)
A
Electrical Heaters
9
Q
- If there is no provision for ice removal on the static port, the aircraft should be equipped with an _____ air source valve.
A
Alternate
10
Q
- Windshields are normally___ (electrically or pneumatically) heated to prevent ice from obstructing the flight crew’s vision.
A
Electrically
11
Q
- An aircraft windshield has a greater bird-impact resistance when it is ____ (heated or cold).
A
Heated
12
Q
- The three types of anti-icing systems are:
a.
b.
c.
A
Chemicals
Thermal (Hot Air)
Electrical Heaters
13
Q
- Chemical anti-icing systems may be found on these components:
a.
b.
c.
A
Carburetors
Propellers
Windshields
14
Q
- Propeller anti-icing systems normally use ___ alcohol to prevent icing.
A
Isopropyl
15
Q
- When the tubes in deicer boots are deflated, they are held tightly against the wing by ____
A
Suction
16
Q
- The air to inflate rubber deicer boots installed on an airplane powered by a reciprocating engine is taken from the discharge of the ___ pump
A
Vacuum
17
Q
- Two ways of securing rubber deicer boots to the leading edge of a wing arm
a.
b.
A
Adhesive
Rivnuts and screws
18
Q
- The surfaces of rubber deicer boots should be kept clean by periodically washing them with a solution of ____ and ____ .
A
Mild soap
Water
19
Q
- Propellers are normally deiced with ____ (hot air or electrothermal boots).
A
Electrothermal
20
Q
- Electrical current is supplied to the propeller deicers using ___ and
___ assemblies
A
Slip-rings
Brushes
21
Q
- Electric propeller deicers operate ___ (continuously or on a sequenced cycle).
A
On a sequenced cycle
22
Q
- The length of time that a deiced surface will be protected from ice, snow or frost is called ___ time
A
Holdover
23
Q
- Aircraft should be deiced as closed to ____ time as possible, especially if bad weather conditions are likely to reduce ____ time.
A
TakeOff
Holdover
24
Q
- Hard or sharp tools ____ (may or may not) be used to scrape or chip ice from the surface of an airplane.
A
May not
25
Q
- Frost may be removed from an aircraft on the ground by spraying it with a mixture of
____ and ____.
A
Ethylene Glycol
Isopropyl Alcohol
