Test 3

Question 1

What engine is used on Delta’s A220-100s? A220-300s?

Answer 1

PW1521GA

PW1524G-3

Question 2

In what order should the cowls be opened?

Answer 2

Fan cowls then thrust reversers

Question 3

In what order should the thrust reverser latches be released?

Answer 3

BLS, 5, 4, 3, 2, 1

Question 4

What is the primary safety concern prior to opening thrust reversers?

Answer 4

The slats will contact the inboard thrust reverser if lowered while I/B TR is raised.

Question 5

The coating on one of the fan blades has eroded.
Can the aircraft be dispatched?

Answer 5

Yes. In most cases, the blade can be placed on monitor for 83 days.

Question 6

What does the fan drive gear system do for the PW1500 engines?

Answer 6

Reduces the speed of the fan to 1/3 of N1

Question 7

What indication is the primary thrust reference?

Answer 7

N1 speed

Question 8

What provides power to the EEC?

Answer 8

PMAG when engines are running. (N2 > 45%)

Aircraft Power with engines off. (N2 < 45%)

Question 9

What unit connects to the EEC and stores thrust rating and fan trim data?

Answer 9

Data Storage Unit

Question 10

What component provides monitoring of vibes,
2.5 temp and pressure, oil debris, and fan drive gear system oil?

Answer 10

The Prognostic and Health
Monitoring Unit (PHMU)

Question 11

What is the servicing window for engine oil?

Answer 11

5-60 minutes.

The engine must be run at idle for 5 minutes if outside the window.

Question 12

Where can we check oil quantity?

Answer 12

Status synoptic page and tank sight gauge.

Question 13

Engine Bleed air is supplied from what stages?

Answer 13

4th and 8th

Question 14

What component controls which stage is supplying bleed air?

Answer 14

HPV

Question 15

What prevents 8th stage air from back-flowing into stage 4?

Answer 15

Intermediate Pressure Check Valve (IPCKV)

Question 16

What are the major components of BALODS?

Answer 16

Shrouded Ducts, Manifolds, Dual Loops

Question 17

How is BALODS selected in the flight deck?

Answer 17

No controls, always active

Question 18

The 3 ECS Subsystems are:

Answer 18

Air conditioning
Avionics cooling
Cabin pressure control

Question 19

High-Flow Mode gives pilots the ability to:

Answer 19

Remove smoke from the cabin

Question 20

The ISACs monitor what sensors for flow control?

Question 21

Pack outlet temperature is adjusted to provide…

Question 22

The pack temperature control valve is also known as…

Answer 22

Flow control valve

Question 23

L/R PACK OVHT will result with what = exceedances?

Answer 23

Compressor discharge temperature

Pack discharge temperature

Question 24

What prevents the throttle levers from being moved to full reverse thrust until the thrust reverser sleeves have fully deployed?

Answer 24

The Baulk Solenoids

Question 25

What does a N1 amber “rev” indication represent?

Answer 25

Thrust reverser system fault

Question 26

What stages supply engine bleed air?

Answer 26

4th and 8th of HPC

Question 27

What is the controlling LRU for bleed air?

Answer 27

IASCs 1 & 2

Question 28

What will an IASC do in response to a failure of the active channel?

Answer 28

It will automatically switch to the healthy channel

Question 29

What will prevent the higher pressure 8th stage air from flowing into stage 4 of the HPC?

Answer 29

The Intermediate Pressure Check Valve (IPCKV)

Question 30

The Left Bleed FAIL annunciation on the overhead Air Panel will be accompanied by what CAS message?

Answer 30

L Bleed Fail

Question 31

What is the system that monitors for bleed leak and overheat? What are its major components?

Answer 31

BALODS: • Dual loops • Shrouds • Manifolds • Coupling cover manifolds

Question 32

What are the 3 main subsystems of the Environmental Control System (ECS)?

Answer 32

• Air Conditioning • Avionics Cooling & Extraction • Cabin Pressurization

Question 33

What is the ECS provision for pilots to clear the cabin of smoke or odors?

Answer 33

Pack Hi Flow

Question 34

How many outlet ducts come off the mix manifold? Where do they go?

Answer 34

4 Outlets: • Gaspers • Flight Deck • Fwd Cabin • Aft Cabin