Engines

Question 1

What type of Engine does the 175 have?

Answer 1

1. GE CF-34-8E

2. High Bypass Dual Turbo Fan

Question 2

In Flight placing the Ignition Knob to off does what?

Answer 2

Nothing happens, in the air it disregards off position.

Question 3

Placing the Ignition Knob in OVRD does what?

Answer 3

When engines are running FADEC activates both exciters.

Question 4

Thrust Reverser indication below N1, what do the colors indicate?

Answer 4

1. Green - REV fully deployed

2. Amber - REV in Transition

Question 5

When do you get a FAIL Amber box inside the N1 indication.

Answer 5

When engine has failed or shutdown without pilot input

Question 6

When do you get a Cyan OFF inside the N1 indication?

Answer 6

When pilot has shutdown the engine.

Question 7

When do you get N1 WING ANTI-ICE CYAN LINE?

Answer 7

1. Below 1200 feet on Approach
2. In Icing conditions
3. Gear of Flaps out.

Thats the minimum N1 value to meet the bleed requirements.

Question 8

How is N1 displayed on the EICAS

Answer 8

1. Cyan Digital read out above N1

2. Cyan carrot on the radial.

Question 9

What is the difference between White and Green for the ATTCS?

Answer 9

1. White - Armed

2. Green - Engaged

Question 10

What is a green tick mark on the N1 read out.

Answer 10

Max N1, if the throttles are set to Max Position they will advance to this value.

Question 11

Where would a WML icon appear and what does it mean?

Answer 11

It would appear where the IGN A or IGN B is at indicating that the system is trying to re-light an engine that has flamed out.

Question 12

What does an Amber Oil Pressure or Oil Temperature indicate

Answer 12

Caution Area Range

Question 13

What heats up fuel to prevent freezing?

Answer 13

Engine Oil

Question 14

During engine start what N2 does the Ignition Activate

Answer 14

about 7%

Question 15

During engine starts what N2 does the Fuel get introduced

Answer 15

20% n2

Question 16

During engine starts what N2 does the starter cut out?

Answer 16

50% n2

Question 17

what sources can be used to do an Air Start

Answer 17

1. Cross Bleed
2. Windmeal
3. APU Bleed Air. 21,000’

Question 18

What does FADEC do to try to re-start an engine in the Air?

Answer 18

1. Activates the Ignitions, WML icon is displayed

2. Introduces the Fuel Flow

Question 19

What powers the Thrust Reversers

Answer 19

Had System 1 and 2

Question 20

FADEC commands RSV in the ATTCS when

Answer 20

1. Engine Failure
2. Diffrent between both N1 of 15%
3. Windshear

Question 21

When is RSV mode manually activated

Answer 21

The RSV mode is manually activated by moving the thrust levers to MAX position whenever the ATTCS is engaged.

Question 22

how many igniters activate for engine start

Answer 22

2 in the air

1 on the ground

Question 23

Can the Ignition be turned off?

Answer 23

No not in the air, the switch is their to dry motor the engine on the ground

Question 24

What controls the Engines

Answer 24

Dual channel FADEC, they alternate during engine start.

Question 25

What does the FADEC provide protection from during starts on the ground

Answer 25

Hot Start, Hung Start, or no light off

Question 26

Describe the Engine Start sequence

Answer 26

1. N2 7% - Ignition 2. N2 20% - Fuel 3. N2 20% +5 Seconds - Light Off 4. N2 50% Ignition Off

Question 27

What is ATTCS

Answer 27

It provides Max Thrust Reserve RSV controlled by FADEC

Question 28

Engines can produce how much thrust on takeoff?

Answer 28

13,000lbs of thrust

Question 29

What is TO-1

Answer 29

Takeoff 1 is max takeoff thrust setting

Question 30

When does the ATTCS activate RSV Power?

Answer 30

1. N1 difference of 15% 2. Engine failure 3. Wind shear

Question 31

Limit N1 on the ground while taxing to?

Answer 31

40% N1

Question 32

For the engines to shut down what setting must the thrust levers be at?

Answer 32

Idle position

Question 33

The ignition Knob on the ground in Auto position turns on during engines starts at what N2

Answer 33

7% N2