Engine Limitations & associated malfunctinos/EP

Question 1

When should the engine be manually aborted?

Answer 1

a. ITT increasing & likely to exceed 1,000°C (hot)
b. Normal N1 increase is halted (hung)
c. No rise of ITT is evident within 10 seconds (no start)
d. BAT BUS annunciator illuminates during start sequence
e. ST READY annunciator extinguishes

Question 2

Can you attempt a restart if an external power engine start was attempted?

Answer 2

NO

Question 3

When does Emergency Engine Shutdown on the Ground boldface apply?

Answer 3

Engine fire, prop strike, chip light, likely to depart prepared surface, FF >800, any other serious emergency

Question 4

After a stop that involved max braking, should you set the parking brake?

Answer 4

No

Question 5

N1 does not indicate speeds below _____. It will indicate 0%.

Answer 5

8%

Question 6

What annunciators will illuminate with an engine failure in flight?

Answer 6

GEN, FUEL PX, OIL PX, OBOGS FAIL

Question 7

What is the zoom capability at 200 knots? 250 knots?

Answer 7

600’ to 900’ ft; 1170’ to 1550’ ft

Question 8

How much additional altitude will the zoom to EJECT attain?

Answer 8

200’

Question 9

How long and how much altitude approx. will you lose for an immediate airstart?

Answer 9

40 seconds, 1,200’ ft @ 125 KIAS

Question 10

What is the airstart envelope?

Answer 10

125-200 KIAS for sea level-15,000’ft

135-200 KIAS for 15,001’ft-20,000’ft

Question 11

Movement of the PCL above IDL before N1 stabilizes at approx. ___% will cause an increase in fuel flow, which may cause engine failure.

Answer 11

67%

Question 12

If the start switch is left in MANUAL, it will drain the battery in ___ minutes.

Answer 12

10 minutes

Question 13

True/False: The propeller will unfeather and accelerate to operating RPM approximately 20 seconds after N1 reaches 45%.

Answer 13

TRUE

Question 14

1Opening the PROP SYS circuit breaker will remove power from the feather dump solenoid and allow oil pressure to return, which brings the prop out of fully feather state in ___ to ____ seconds

Answer 14

15 to 20 seconds

Question 15

What are indications of a prop feather?

Answer 15

High torque, prop noise, loss of thrust, engine vibrations

Question 16

What are indications of a prop sleeve touchdown? What annunciators normally occurs?

Answer 16

Fluctuations in Np, torque increasing, thrust decreasing, engine vibrations
b. CHIP light

Question 17

If the PMU SWITCH is placed OFF, what happens to ground idle N1?

Answer 17

It will not be available, expect 67% N1

Question 18

With constant torque & airspeed, when is RPM considered stable below 40% Np?

Answer 18

3 seconds

Question 19

At 125 KIAS, 4-6% torque, what should your rate of descent be?

Answer 19

1350-1500 fpm

Question 20

With the PROP SYS circuit breaker pulled & PMU SWITCH OFF, what happens to the feather dump solenoid?

Answer 20

It will not be powered & the prop will feather at a very slow rate

Question 21

What check is initiated if a suspected fire occurs in flight?

Answer 21

FEVER

Question 22

Will OBOGS be operable with battery failure?

Answer 22

No, it is tied to the Hot battery bus

Question 23

When is the OBOGS TEMP annunciator illuminated?

Answer 23

Exceeds 200°F