Hydraulic Systems

Question 1

To check hydraulic reservoir temperature, pressure, and quantity, go to the ___.

Answer 1

hydraulic synoptic page on the MFD

Question 2

The primary hydraulic pumps for systems 1 and 2 are the ___.

Answer 2

EDPs (Engine Driven Pumps)

Question 3

In system 3, ___ is the primary hydraulic pump.

Answer 3

3A

Question 4

For normal flight operations, the hydraulic control panel knobs and buttons are in ___.

Answer 4

the 12 o’clock position, auto/dark

Question 5

The PTU:

Answer 5

Assists the landing gear retraction or extension, should a right engine or right EDP failure occur.

Question 6

ACMP 1 and 2 must be turned on manually for takeoff and landing (with the switch in the AUTO position).

Answer 6

False

Question 7

The backup hydraulic pumps for systems 1 and 2 are the ___.

Answer 7

ACMPs (AC Motor Pumps)

Question 8

Before pressing a guarded switch (such as the EDP shutoff button), both pilots must confirm that it is the correct switch.

Answer 8

True

Question 9

For a single engine taxi on engine 2, ACMP 1 will automatically turn on (with ACMP 1 set to AUTO).

Answer 9

False

Question 10

The emergency parking brake has a dedicated accumulator that provides enough pressure for 6 emergency/parking brake applications (with hydraulic systems 1 and 2 depressurized).

Answer 10

True

Question 11

What must we do prior to taxiing single engine on the #2 engine?

Answer 11

Turn Hydraulic Electric Pump 1 to ON.

Question 12

Why is it preferred to taxi single engine on Engine 1?

Answer 12

System logic will turn on hydraulic pump 2