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United 737 > Emergency Equipment & Egress > Flashcards

Flashcards in Emergency Equipment & Egress Deck (20)
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1
Q

When in the armed position, when does the ELT go off?

A

when it reaches its preset G-load limit.

2
Q

What happens when the ELT is activated?

A

The amber ELT light comes on and the ELT transmits on 121.5, 243.0 and 406.0 mhz.

3
Q

Talk about water fire extinguishers.

A

They contain a solution of water and antifreeze. They are pressurized by a CO2 cartridge when handle is rotated fully clockwise. Use on fabric, paper or wood fires only.

4
Q

Halon fire extinguishers are effective on all types of fires but primarily on which types of fires?

A

Electrical, fuel and grease fires.

5
Q

How far from the fire should you be for a Halon fire extinguisher?

A

about 6 feet.

6
Q

What is a Class A fire, give examples and what type of extinguisher is best?

A

Combustible materials.
paper, wood, rubber, certain plastics.
Use Water extinguisher

7
Q

What is a Class B fire, give examples and what type of extinguisher is best?

A

Flammable liquids.
Gasoline, oils, greases, solvents, paints, fats.
BCF (Halon 1211)

8
Q

What is a Class C fire, give examples and what type of extinguisher is best?

A

Live Electrical.
short circuit, faulty wiring.
BCF (Halon 1211).

9
Q

The concentrated agent, or the by products created by the heat of the fire….

A

are toxic when inhaled.

10
Q

What must crew members do when a fire extinguisher is to be discharged in the flight deck?

A

use oxygen masks with 100% oxygen and emergency selected.

11
Q

Where is a crash ax normally located?

A

left side of cockpit near circuit breaker panel.

12
Q

Where are the escape straps located in the flight deck?

A

Above the pilot seats.

13
Q

How many over wing hatches are there?

A

4

14
Q

What will happen if the door slide is attached to the airplane floor?

A

the slides will deploy when the door is opened

15
Q

Can the over wing exit doors be opened from the outside?

A

Yes, both inside and outside.

16
Q

What is the purpose of the escape straps for the over wing exit doors?

A

The strap is attached to a ring on the top surface of the wing and can be used as a hand hold in a ditching emergency for passengers to walk out on the wing.

17
Q

How does the flight lock system work for the over wing emergency exits?

A

Powered by 28V DC power. Designed to ensure that the flight lock will lock automatically during takeoff, in-flight and landing AND unlock on the ground to allow for door opening in emergencies.

18
Q

Overwing flight locks are commanded to lock and unlock based on what?

A

Inputs from engine speed, thrust lever position, air/ground mode status, and the open/closed status of the doors.

19
Q

Overwing and mid-exit emergency exits lock when:

A

3 of 4 entry/service doors are closed
either engine is running
Airplane air/ground logic indicates that the airplane is in the air or both thrust levers are advanced.

20
Q

When do overwing and mid exit emergency exits unlock?

A

At least 2 entry/service doors are open
No engines running
Airplane air/ground logic indicates the airplane is not in the air or 1 thrust lever is not advanced
DC power is lost.