737 Systems Exam

Question 1

During descent, when is the pressurization descent mode activated?

Answer 1

0.25 PSI below the selected FLT ALT

Question 2

If one of the radio altimeters has failed, what is expected to occur during a Precision Approach?

Answer 2

The autopilot will disconnect two seconds after LOC and GS capture.

Question 3

If the nose gear steering lockout pin is not installed for pushback or towing, which hydraulic system must be switched off?

Answer 3

System A Hydraulic Pumps.

Question 4

Prior to returning to the oil tank, engine oil passes through:

Answer 4

The scavenge filter, and the main engine oil cooler.

Question 5

What does illumination of the STANDBY POWER OFF lights indicate?

Answer 5

The AC Standby Bus is not powered.

Question 6

What indications in the cabin occur when the ATTEND call switch is pressed in the flight deck?

Answer 6

Two-tone chime and both pink master call lights illuminated.

Question 7

At what hydraulic quantity will the RF indication display? On the ground or in the air?

Answer 7

Below 76%, on the ground.

Question 8

Prior to what speed can the autobrakes be selected after touchdown?

Answer 8

30 kt.

Question 9

At Flaps 15, what position are the leading edge devices in?

Answer 9

Full Extend.

Question 10

The FMC Alerting Message INSUFFICIENT FUEL is triggered when…

Answer 10

You will have less than 900 Kg of fuel at your destination.

Question 11

When will the IAS DISAGREE light be displayed?

Answer 11

When both speed tapes disagree by more than 5kt for more than 5 seconds.

Question 12

For landing, what is maximum fuel imbalance between No 1 and No 2 main tanks?

Answer 12

453 Kg.

Question 13

How far ahead of the aircraft will Windshear activate the Predictive Windshear Warning?

Answer 13

Up to 1.5 NM.

Question 14

With the fuel pumps operating, where does the APU draw fuel from?

Answer 14

Left side of the fuel manifold.

Question 15

If the fuel pumps are not operating, where does the APU draw fuel from?

Answer 15

The No. 1 Tank.

Question 16

In normal conditions, what powers the RIGHT IRS?

Answer 16

AC Transfer Bus 2.

Question 17

How long will the right IRS be powered by the Switched Hot Battery Bus, in an emergency?

Answer 17

5 minutes

Question 18

If a wet start is detected on the ground, how long after the start lever is moved to IDLE will the EEC automatically turn off ignition and shut off fuel to the engine?

Answer 18

15 seconds.

Question 19

When is rudder pedal steering deactivated?

Answer 19

When the nose gear strut is extending.

Question 20

In what mode(s) and what components does the EEC provide overspeed protection for?

Answer 20

N1 and N2, in NORMAL mode only.

Question 21

Below what RA do the Predictive Windshear Alerts become available?

Answer 21

1200ft RA.

Question 22

In which fuel tanks are bypass valves located?

Answer 22

Both main tanks.

Question 23

If the thrust levers are advanced after touchdown, how long until the Autobrakes disarm?

Answer 23

3 seconds.

Question 24

When positioning the APU switch to OFF, how long is the automatic shutdown delay?

Answer 24

60 seconds.