Powerplant

Question 1

_____ engines are installed on the Challenger 300

Answer 1

AS907-HTF 7000-1-1A

Question 2

_____ engines are installed on the Challenger 350.

Answer 2

AS907-HTF 7350-2-1A

Question 3

The normal thrust rating for the Challenger 300 is _____.

Answer 3

6,826 lb at SL to ISA + 86°F (15°C)

Question 4

The normal thrust rating for the Challenger 350 is _____.

Answer 4

7,323 lb at SL to ISA + 86°F (15°C)

Question 5

APR provides rated thrust up to a temperature of _____.

Answer 5

ISA + 95°F (20°C)

Question 6

_____% is the minimum N2 ground idle.

Answer 6

46

Question 7

The FADEC is DC electrically powered during engine start. As N2 increases above 45%, the FADEC power is taken over by the ______.

Answer 7

Permanent Magnet Alternator (PMA)

Question 8

The Takeoff Thrust time limit is _____ minutes.

Answer 8

5 Mins

Question 9

Auto APR is armed when _____.

Answer 9

the Auto APR switch is on and Thrust Levers
are placed in TO detent

Question 10

The Auto APR is armed when ______.

Answer 10

the Auto APR switch is on and Thrust Levers are placed in TO detent

Question 11

The Auto APR time limit is _______.

Answer 11

10 min, after which exceedances are recorded

Question 12

The Manual APR time limit is _____.

Answer 12

5 min, after which exceedances are recorded

Question 13

An engine start can be accomplished on the ground via _____, _____, and _____.

Answer 13

APU; Crossbleed; External Air Source

Question 14

APR can be activated in two ways: _____ and _____.

Answer 14

Manually, by selecting the thrust levers into the APR detent;

Automatically, when there is an N2
mismatch in excess of 15%, or FADECs stop cross-communicating, and the throttles are in TO detent

Question 15

If a thrust reverser becomes unstowed in flight, _____.

Answer 15

the FADEC will command the engine to idle

Question 16

Engine sync is available with _____.

Answer 16

CRZ or CLB power and N 1s within 5%

Question 17

Mach Hold is available with _____.

Answer 17

CRZ thrust, ALT or ALTS mode, Sync on—
automatically adjusts N 1 ± 3%

Question 18

The 7 components mounted on the Engine Accessory Gearbox include: _____.

Answer 18

-Oil Pump
-Oil Reservoir
-Hydraulic Pump
-Generator
-Hydro-mechanical Fuel Metering Unit (HFMU),
-Air Turbine Starter (ATS),
-Permanent Magnetic Alternator (PMA).

Question 19

The 10 FADEC controls engine functions including _____.

Answer 19

-2 channels—Fuel scheduling
-bleed air extraction
-ignition
-engine starting
-limits for N 1/N2/ITT
-overspeed protection
-idle for ground/flight/reverse
-APR
-engine sync
-thrust annunciations