unit 3

Question 1

You can find written instructions for safe flight-line vehicle operations in

Answer 1

AFOSH STD 91-100

Question 2

Trim means to adjust the engine systems for optimum performance according to the TO’s limits. The two methods used to trim an engine are

Answer 2

manual and electronic

Question 3

The pressure gauges used for an oil system pressure checks are connected at the

Answer 3

output side of the main oil pump and the vent system

Question 4

When checking the turbine section you do not measure

Answer 4

IGT

Question 5

When doing an anti-ice valve operational check on an F-16C/D before starting the engine you place the anti-ice engine switch to

Answer 5

OFF

Question 6

Aircraft noise suppressors have how many primary air silencers to help reduce turbine whine?

Answer 6

2

Question 7

The aircraft noise suppressor shutdown procedure is important because it

Answer 7

ensures the noise suppressor will be operational for the next aircraft

Question 8

The sidewalls of the hush house test bay is constructed of

Answer 8

air inlet modules

Question 9

The hush house exhaust deflector is constructed of

Answer 9

small panel modules filled with noise reduction material

Question 10

Before moving an aircraft into the hush house, you must inspect the aircraft

Answer 10

and its forms

Question 11

What hush house feature allows flexibility when running an engine that has been removed from the airframe?

Answer 11

The thrust stand slides into position on tracks

Question 12

When inspecting the hush house, you are not required to check the

Answer 12

engine being tested

Question 13

In addition to determining the condition of a repaired or overhauled engine, you also test engines

Answer 13

that have been involved in an incident or a mishap

Question 14

When testing a TF34 engine at test cell, which test ensures that all operating limits and schedules from idle to maximum power are within limits?

Answer 14

Transient check

Question 15

Which testing engine is equipped with a QEC kit?

Answer 15

TF39-1C

Question 16

What two types of test cells does the Air Force currently use?

Answer 16

Fixed and portable

Question 17

Which test cell noise suppressors use water to cool the exhaust gases?

Answer 17

Both fixed and portable

Question 18

In a fixed test cell, the test bay access doors are sealed to

Answer 18

prevent unwanted noise from getting into the control room

Question 19

The vertical baffles in the fixed test cell’s exhaust stack are designed to remove

Answer 19

low-frequency sound

Question 20

The portable test cell is not equipped with a

Answer 20

model 3000 trailer

Question 21

The basic portable test cell’s thrust trailer rails adjust to a height of

Answer 21

40 inches

Question 22

the swivel pads at the bottom of the leveling jacks on the engine thrust trailer of the portable test cell provide all the following except

Answer 22

supporting the thrust trailer at a height of 80 inches

Question 23

The portable test cell’s vibration pickups are cooled by the

Answer 23

pneumatic system

Question 24

The portable test cell’s noise suppressor is not equipped with

Answer 24

a fuel trailer

Question 25

When an engine arrives for a test run at the test cell it must

Answer 25

be operable with all known discrepancies corrected

Question 26

Immediately prior to an engine test cell run, you check the engine and QEC kit (if applicable) for loose nuts, bolts, lock wire, tools, or any other material in order to

Answer 26

eliminate items that could possibly cause FOD

Question 27

Which of these is not considered a cause of FOD?

Answer 27

Failure of internal parts

Question 28

Improperly rigged throttle linkage during a test cell run can cause

Answer 28

engine overspeed

Question 29

What should you do with the engine model and serial number when making general entries on the test cell engine log sheet?

Answer 29

Verify these numbers on the engine data plate

Question 30

Before installing an engine on the test cell thrust stand, make sure then

Answer 30

engine rail adapters and stand are compatible

Question 31

When preparing to install the miscellaneous kit prior to a test cell run, you inspect all indicators and controls for

Answer 31

possible damage

Question 32

Where would you being you investigation of an engine with a possible oil consumption problem

Answer 32

Review AFTO Form 781H

Question 33

Observing oil on the turbine wheel or oil smoke at or near the turbine section during a test cell run is a good indication of

Answer 33

a damaged aft bearing oil seal

Question 34

You can get information such as temperature and barometric pressure from equipment at the test cell site or from

Answer 34

the control tower

Question 35

The steps in removing the engine and test equipment from the test cell are

Answer 35

the reverse of the installation sequence

Question 36

What information is used as an aid in test facility inspections?

Answer 36

Periodic inspection checklists.