STALL PROTECTION/Q FEEL/AIRSPEED AND MACH

Question 1

STALL PROTECTION/ Q FEEL/ AIRSPEED AND MACH
What are the sources of bleed air for the
ECS System?

Answer 1

What are the sources of bleed air for the
ECS System?

Left Engine
Right Engine
APU

Question 2

STALL PROTECTION/Q FEEL/AIRSPEED AND MACH

What is bleed air used for in the ECS system?

Answer 2

STALL PROTECTION/Q FEEL/AIRSPEED AND MACH
What is bleed air used for in the ECS system?

Pressurization
Air Conditioning

Question 3

STALL PROTECTION/Q FEEL/AIRSPEED AND MACH
Bleed air off the engine can either be LP air or HP air.
When is HP air used?

Answer 3

Bleed air off the engine can either be LP air or HP air.
When is HP air used?

In flight during idle descents
High altitude flights

Question 4

STALL PROTECTION/Q FEEL/AIRSPEED AND MACH
During ground operations, the ___ position on the ECS
selector knob provides maximum cooling capacity.

Answer 4

STALL PROTECTION/Q FEEL/AIRSPEED AND MACH
During ground operations, the ___ position on the ECS
selector knob provides maximum cooling capacity.

APU

Question 5

STALL PROTECTION/Q FEEL/ AIRSPEED AND
MACH
The bleed air system is protected by two over-termper-
ature switches and one overpressure switch. These
switches send indications to the EICAS. What temper-
ature and pressure triggers these safeties?

Answer 5

The bleed air system is protected by two over-termper-
ature switches and one overpressure switch. These
switches send indications to the EICAS. What temper-
ature and pressure triggers these safeties?

550 F and 50 PSI

Question 6

STALL PROTECTION/Q FEEL/AIRSPEED AND MACH

How many heat exchangers are there?

Answer 6

How many heat exchangers are there?

Three