HH-60 APU System Numbers, UH60 Hydraulic Systems, Fuel System,
uh-6 apart Verified Exam Questions and Answers Latest update
2026/2027
Question:
1. Number of reasons for the ESU to shutdown the APU
Answer:
Question:
2. APU OIL TEMP HI caution light
Answer:
149 C
Question:
3. Fuel pump output pressure
Answer:
5 psi
Question:
4. Fuel consumption rate
Answer:
150 pph
Question:
5. Accumulator pressure required to start
Answer:
2800 psi
Question:
6. Single accumulator recharge time
Answer:
90 sec
,Question:
7. Dual accumulator recharge time
Answer:
180 sec
Question:
8. #1 and #2 hydraulic pumps are driven by what?
Answer:
#1 and #2 transmissoin accessory gearbox modules, respectively.
Question:
9. How much pressure do #1 and #2 hydraulic pumps operate
on when main rotor is turning?
Answer:
3000 psi
Question:
10. What powers the backup hydraulic pump?
Answer:
a 115 VAC electric motor
Question:
11. Is AC power required for the backup pump to operate?
Answer:
yes
Question:
12. Each hydraulic pump pressure, volume pump.
Answer:
constant pressure, variable volume is a
Question:
13. At what PSID will the dydraulic pumps' filter indicator buttons pop?
Answer:
70 PSID, plus or minus 10
, Question:
14. At what PSID will the return filter bypass activate?
Answer:
100 PSID, plus or minus 10
Question:
15. What would happen if there was no return filter bypass?
Answer:
hydraulic fluid would be blocked in the return lines with a resulting hydrostatic lock, which would
lock up the flight controls
Question:
16.
What does the #1 hydraulic pump pressurize?
Answer:
#1 primary servos and the #1 tail rotor servo
Question:
17. What does the #2 #2 primary servos and the pilot assist hydraulic pump pressurize?
Answer:
Question:
18. What are the components of the pilot assist area?
Answer:
pitch SAS actuator roll SAS actuator yaw SAS actuator pitch boost servo collective and yaw boost
servo pitch trim assembly
Question:
19. For the pitch trim 3000 PSI to 1000 PSI servo, a pressure reducer in the pilot assist module reduces
the PSI pump pressure to
Answer:
PSI?
Question:
20. Can the backup pump supply pressure to the #1 and #2 hydraulic pumps simultaneously?
Answer:
yes
uh-6 apart Verified Exam Questions and Answers Latest update
2026/2027
Question:
1. Number of reasons for the ESU to shutdown the APU
Answer:
Question:
2. APU OIL TEMP HI caution light
Answer:
149 C
Question:
3. Fuel pump output pressure
Answer:
5 psi
Question:
4. Fuel consumption rate
Answer:
150 pph
Question:
5. Accumulator pressure required to start
Answer:
2800 psi
Question:
6. Single accumulator recharge time
Answer:
90 sec
,Question:
7. Dual accumulator recharge time
Answer:
180 sec
Question:
8. #1 and #2 hydraulic pumps are driven by what?
Answer:
#1 and #2 transmissoin accessory gearbox modules, respectively.
Question:
9. How much pressure do #1 and #2 hydraulic pumps operate
on when main rotor is turning?
Answer:
3000 psi
Question:
10. What powers the backup hydraulic pump?
Answer:
a 115 VAC electric motor
Question:
11. Is AC power required for the backup pump to operate?
Answer:
yes
Question:
12. Each hydraulic pump pressure, volume pump.
Answer:
constant pressure, variable volume is a
Question:
13. At what PSID will the dydraulic pumps' filter indicator buttons pop?
Answer:
70 PSID, plus or minus 10
, Question:
14. At what PSID will the return filter bypass activate?
Answer:
100 PSID, plus or minus 10
Question:
15. What would happen if there was no return filter bypass?
Answer:
hydraulic fluid would be blocked in the return lines with a resulting hydrostatic lock, which would
lock up the flight controls
Question:
16.
What does the #1 hydraulic pump pressurize?
Answer:
#1 primary servos and the #1 tail rotor servo
Question:
17. What does the #2 #2 primary servos and the pilot assist hydraulic pump pressurize?
Answer:
Question:
18. What are the components of the pilot assist area?
Answer:
pitch SAS actuator roll SAS actuator yaw SAS actuator pitch boost servo collective and yaw boost
servo pitch trim assembly
Question:
19. For the pitch trim 3000 PSI to 1000 PSI servo, a pressure reducer in the pilot assist module reduces
the PSI pump pressure to
Answer:
PSI?
Question:
20. Can the backup pump supply pressure to the #1 and #2 hydraulic pumps simultaneously?
Answer:
yes
