Exam Review

Question 1

if the points in the magneto never opens, what would be the result`?

Answer 1

deadman hang/no sparks will be produce (no current induced in the secondary winding)

Question 2

how does the wastegate get actuated?

Answer 2

Oil Pressure close

Spring Pressure/ fail safe open

Question 3

if you have shower of sparks, how do you delay the spark for starting?

Answer 3

the retard points

Question 4

how you change the valve clearance for hydraulic lifters?

Answer 4

change the length of the push rods

Question 5

what limits manifold pressure in all throttle settings?

Answer 5

VAPC

Question 6

What would you call Upper Deck Pressure?

Answer 6

between compressor discharge & throttle valve (compressor discharge pressure)

Question 7

How does manifold valve works?

Answer 7

spring tension keeps it close

fuel pressure opens it

Question 8

can you clean the foam filter?

Answer 8

no

Question 9

when doing a mag drop test and you have difference in rpm between the 2 magnetos and the engine starts to run rough whats the problem?

Answer 9

1 mag is not working (change spark plug, wires)

Question 10

If you have a leak in the manifold valve diaphragm, how would you know it?

Answer 10

stains on the vent

Question 11

Whats the reason to do Bulk Inspection?

Answer 11

Abnormalities

Question 12

If we’re flying along and we don’t put an input on the prop gov, what way is the pitch of the prop gonna go?

Answer 12

Fine

Question 13

Difference between a ground boosting and normalizing turbocharger?

Answer 13

ground boost can go above 29.92

Question 14

If we’re going on a dive, which way is the pitch of the prop gonna go?

Answer 14

Coarse

Question 15

Why would we do a cold cylinder check?

Answer 15

if one of the cylinder is not operating properly

Question 16

what makes the fuel comes out the discharge nozzle?

Answer 16

Differential pressure (high pressure on float bowl, low pressure on discharge nozzle)

Question 17

If we have hissing in the carb or airbox, where is the leak?

Answer 17

Intake Valve

Question 18

when we’re doing a bulk inspection what limits are we working to?

Answer 18

service limits (if there’s no service limits use the manufacturers new/overhaul limit)

Question 19

what is critical altitude refer to?

Answer 19

highest altitude where the a/c can fly maintaining its rated horsepower

Question 20

if the cable in the prop governor breaks or snap, what would be the result?

Answer 20

Full fined

Question 21

what limits manifold pressure at full throttle?

Answer 21

APC

Question 22

what does the airbleed do?

Answer 22

assists in atomization, prevents surface tension, assists in fuel discharge

Question 23

What should you see when doing a carb heat check?

Answer 23

slight decrease in rpm

Question 24

simple form of cabin heat and carb heat uses what type of heating system?

Answer 24

heat muffler

Question 25

how does impulse coupling delay the spark for starting?

Answer 25

delays the opening of the points till the piston is at TDC

Question 26

When doing a mag drop test, you check it at?

Answer 26

1700 rpm

Question 27

where is the supercharger located?

Answer 27

Downstream the carburetor (compresses fuel and air)

Question 28

if we don't have retard breakers, what delays the spark for starting?

Answer 28

Impulse Coupling

Question 29

What components takes Upper deck pressure in continental system?

Answer 29

``` Fuel Nozzle Cabin Pressurization (Sonic Venturi) Fuel Pump (for altitude compensation) ```

Question 30

What kind of oil should we use in breaking in?

Answer 30

Mineral

Question 31

If we have hissing in the crankcase vent, where is the leak?

Answer 31

Piston or Piston Rings

Question 32

What does impulse coupling dis-engage?

Answer 32

when it gets above a certain speed (coming-in speed)

Question 33

if you go to idle cut-off with the mixture control, what should you expect to see as it goes to cut-off?

Answer 33

increase in rpm

Question 34

2 types of starting

Answer 34

Shower of sparks and impulse coupler

Question 35

What if you don't see an increase in rpm if you go to idle cut-off?

Answer 35

adjust mixture control richer

Question 36

how do you check the piston pin?

Answer 36

Micrometer

Question 37

how do we activate the retard points?

Answer 37

it has its own circuit on start up (when we select the switch to start, it grounds out the normal/advance points)

Question 38

when you're setting the e-gap, what should the position of magneto be?

Answer 38

Magnetic Neutral

Question 39

Whats the reason to do Major Overhaul or Major Inspection?

Answer 39

TBO is reach

Question 40

What do shower of sparks and impulse coupler do?

Answer 40

delays spark and prevents kickback until TDC

Question 41

what drives the compressor on a supercharger?

Answer 41

Crankshaft (engine)

Question 42

how long can you use paper filter?

Answer 42

500 hours

Question 43

whats the difference between the Continental and RSA system?

Answer 43

Continental has a fuel pump and provides fuel pressure (on start up fuel pump doesn't activate right away, fuel pressure opens bypass valve then goes to the fuel manifold valve)

Question 44

how long can you use foam filter?

Answer 44

100 hours

Question 45

when timing or installing magneto what position should it be?

Answer 45

Before TDC, #1 cylinder, Compression Stroke in the direction of rotation

Question 46

What would you call Manifold Pressure?

Answer 46

downstream throttle valve

Question 47

does RSA system have a venturi?

Answer 47

yes

Question 48

how do you change the valve clearance for radial engines?

Answer 48

rotate the screw (clockwise for decrease, counter-clockwise for increase)

Question 49

if we have a hissing in the stack or muffler, where is the leak?

Answer 49

Exhaust Valve

Question 50

what's gonna limit the upper deck pressure to 2.2?

Answer 50

Pressure Ratio Control

Question 51

whats the biggest concern in heat muffler?

Answer 51

carbon monoxide on flight compartment

Question 52

what is the problem of cylinder choking?

Answer 52

it will mess you up when doing run out checks (dimension)

Question 53

in relation to the float bowl, where does the discharge nozzle located?

Answer 53

above the float bowl (to prevents sippage)

Question 54

When doing a live mag check, what throttle position should it be?

Answer 54

Idle Power

Question 55

how do you compensate thermal expansion between the steel and the aluminum alloy?

Answer 55

Cylinder Choking (chokes when cold)

Question 56

how do you install piston rings?

Answer 56

P/N or the dot facing up | never align the gap (always staggered)

Question 57

how do we ensure that the valve and the seat have a proper sealing?

Answer 57

``` Valve lapping (honning) (proper sealing, proper combustion) ```

Question 58

can you clean the paper filter?

Answer 58

yes

Question 59

Where is the discharge nozzle located?

Answer 59

Narrowest point of the venturi

Question 60

does continental system have a venturi?

Answer 60

no

Question 61

how do we check crankshaft run-outs?

Answer 61

Dial Indicator

Question 62

Side slip maneuvers on the short stack, what does it cause?

Answer 62

Thermal Shocking of the cylinder, valves can become to cold

Question 63

when timing a magneto and there's an impulse coupling what should you do?

Answer 63

snap impulse coupler first otherwise it will delay the timing sequence

Question 64

What does the back suction mixture control do?

Answer 64

Compensates changes in altitude ( leans as you climb up, riches as you climb down)

Question 65

where does the discharge nozzle located in a pressure carb?

Answer 65

downstream/above the throttle valve (prevents icing)