APU/Electrical/Fire Prot/Fuel

Question 1

APU MIN TEMP START

Answer 1

-40°C

Question 2

APU MAX operating Alt

Answer 2

37,000

Question 3

APU max start altitude

Answer 3

30,000

Question 4

APU max altitude bleed use

Answer 4

15,000ft for crj200
25,000ft for crj 550,700,900

Question 5

APU max alt eng start

Answer 5

13,000ft crj200
21,000ft CRJ 550,700,900

Question 6

Max door open with APU not operating

Answer 6

300KIAS CRJ 200
220KIAS CRJ550/700/900

Question 7

CRj 200 APU starter cycle

Answer 7

1 batt start (max time on 30sec)
2 batt start 30 sec / 20 min off
3 batt start 30 sec
4 batt start 30 sec / 40 min off

A two min delay is recommended in between cranking attempts

Question 8

CRJ 550/700/900 APU starter duty cycle

Answer 8

No more than three starts / attempted starts in one hour.

Two min delay must be observed in between cranking attempts

Question 9

CRJ 200 APU exhaust areas

Answer 9

5 ft -54°C
15 ft - 30°C

Question 10

CRJ electrical Ground Ops DC only

Answer 10

5 min

Question 11

Max continuous DC TRU

Answer 11

100 A

Question 12

APU Generator

Answer 12

up to FL370 - 30kVA

Question 13

Cargo FireX Flight time to suitable airport

Answer 13

45 minutes

Question 14

Crj200 Total pressure refueling

Answer 14

14,518 lbs.

Question 15

CRJ200 total gravity refueling

Answer 15

13,906 lbs

Question 16

CRJ 200 max imbalance for T/O

Answer 16

800 lbs

Question 17

CRJ 200 min fuel for go around per wing

Answer 17

500 lbs

Question 18

Min bulk fuel temp for T/O

Answer 18

-30° C

Question 19

Min bulk fuel temp in flight

Answer 19

-40°C

Question 20

Takeoff with a fuel load in excess of 500lb in the center tank is not permitted unless:

Answer 20

Each main wing tank is above 4400 lb; or Each main wing tank is above 2200 lb and the allowable ZFW is reduced by the weight of the fuel in the center tank in excess of 500 lb.
And the allowable CG in this configuration Is verified to be within allowable CG envelope.