Day 10 - Hydraulic/Pneumatic Systems

Question 1

The T-1 hydraulic system controls

Answer 1

Flaps, landing gear, speed brakes, and normal braking

Question 2

What types of hydraulic pumps are utilized in the T-1

Answer 2

Variable displacement, rotary plunger type pumps

Question 3

The hydraulic pumps delivery and pressure varies from __ gpm at __ psi to __ gpm at __ psi

Answer 3

0, 1500, 3.9, 1400

Question 4

Hydraulic reservoir capacity is

Answer 4

1.2 gallons

Question 5

The hydraulic reservoir is pressurized by what and at what psi

Answer 5

Engine bleed air, 15 psi

Question 6

Why is the hydraulic reservoir pressurized

Answer 6

To prevent frothing

Question 7

The hydraulic system normally stabilizes at __ psi

Answer 7

1500

Question 8

The hydraulic pressure relief valve begins to open at __ psi

Answer 8

1650

Question 9

The hydraulic pressure relief valve is fully open at __ psi

Answer 9

1850

Question 10

Hydraulic pressures above 1850 can only be relieved by doing what

Answer 10

By activating the hydraulic pressure relief switch on the flightdeck

Question 11

The HYD PUMP PRESS LO annunciator illuminates when pressure falls below

Answer 11

750 psi

Question 12

The HYD LEVEL LO annunciator illuminates when

Answer 12

The fluid level in the reservoir falls below 0.6 gallons

Question 13

When landing without normal hydraulic pressure, increase __ flap landing distance by __

Answer 13

30, 90%

Question 14

The systems that require bleed air are

Answer 14

Engine anti-ice, wing anti-ice, hydraulic reservoir pressurization, entrance door seal inflation, cabin pressurization, and environmental system (ACU)

Question 15

When does CABIN PRESSURE LO annunciator illuminate

Answer 15

Cabin altitude 9500 +/- 500 feet

Question 16

When does CABIN PRESSURE HI annunciator illuminate

Answer 16

11 +/- 1 psi

Question 17

When does ENG ICE TEMP LO annunciator illuminate

Answer 17

Below 120 F

Question 18

When does AIR COND FAIL annunciator illuminate

Answer 18

400 F or 53 psi

Question 19

When does BL AIR DCT FAIL annunciator illuminate

Answer 19

350 F or 3.5 +/- 0.5 psi

Question 20

When does DEFOG AIR OV HT annunciator illuminate

Answer 20

200 F

Question 21

When does CABIN AIR OV HT annunciator illuminate

Answer 21

390 +- 15F