ERAU Flashcards

Question

Due to the changes in Vmc and stall speeds what will happen at higher altitudes?

Answer 1

A stall will happen before yaw making it difficult to recover from

Answer 2

Anything that will move CG forward | Anything allowing less rudder to be used

Answer 3

The more power (thrust) on the operating engine, the more rudder is needed to stop the resulting yaw. Using more rudder leaves less available to the pilot = VMC speed increases as power on the operating engine is increased

Answer 4

As density altitude increases, temperature increases, pressure decreases, and/or humidity increases the output of the engine or thrust created by the engine decreases. The less thrust that is created, the less rudder input needed to oppose the yaw.

Answer 5

The C.G. location changes the length of the arm to the rudder: the longer the arm, the more effective the rudder; the more effective the rudder, the lower VMC. As the C.G. moves forward, VMC decreases; as the C.G. moves aft, VMC increases

Answer 6

Keel, stabilizing effect Also moves CG fo forward with nose gear moving forward (POH says gear and fuel burn do not significantly affect Vmc)

Answer 7

A windmilling propeller creates more drag than a feathered propeller. This extra drag adds to the yawing from a failed engine to make the total effect worse.

Answer 8

Keel effect | More lift from flaps down will also increase drag counteracting some of the yaw lowering Vmc

Answer 9

The more weight the more lift required, then when the plane turns it is split into horizontal and vertical lift. The more weight the more the horizontal component is able to counter yaw

Answer 10

The angle of attack on the rudder determines how much force the rudder can create. It is dependent on the angle of the relative wind to the chord line of the rudder. The larger the angle of attack, the larger the force produced by the rudder. When the airplane is banked, rudder forces will act both in the vertical and horizontal directions.

Answer 11

the relative wind is directly parallel to the longitudinal axis of the airplane. This condition results in the minimum amount drag possible when an engine is failed

Answer 12

The angle of attack on the rudder is larger making it more effective. 2. The amount of rudder needed and used is less than in the 0° of bank scenario since it is more effective. Also, the horizontal component of lift is now helping to oppose the yaw from the inoperative engine (meaning less rudder will be required).`

Answer 13

The relative wind, coming from the left of the nose, will cause the airplane to be in a slip. This causes the angle of attack on the rudder to be small and, therefore, makes it less effective.

Answer 14

The direction of the relative wind will create a large angle of attack on the rudder. This makes it more effective resulting is less rudder input needed by the pilot. Also, the greater amount of horizontal lift means that less rudder will be needed to maintain heading. This results in a lower VMC.

Answer 15

Banking towards the inoperative engine will cause the horizontal lift from the wings to add to the yaw from the inoperative engine. The relative wind will create a fuselage lift that opposes the yaw. The angle of the relative wind with the rudder will create a small angle of attack making the rudder less effective.

Answer 16

The reduction in thrust required means that the airplane will have extra thrust. The extra thrust on a good engine will cause a greater amount of yaw. Increases Vmc

Answer 17

Nitrogen Hub Spring counterweights

Answer 18

The temperature of the oil

Answer 19

Centrifugal force

Answer 20

When there is no oil pressure and the speed is above 950 RPM

Answer 21

12 volt reversible pump

Answer 22

Behind the baggage compartment aft bulkhead

Answer 23

6-7 seconds

Answer 24

It moves hydraulic fluid from one side to the other which moves a picton

Answer 25

100 This speed is slow to allow the nose wheel to go forward into the oncoming air. There is also a large spring to help assist the nose wheel to extend forward

Answer 26

Says if aircraft is airborne or on ground Left prevents retraction Right activates stall warning horn and maintenance time

Answer 27

Hydraulic pressure

Answer 28

Down lock hook

Answer 29

When the down limit switches are depressed

Answer 30

When any down limit switches are not depressed or up limit switches are not depressed

Answer 31

The gear is not locked down. 2. An annunciator light bulb is burned out. 3. There is a malfunction in the indicating system

Answer 32

- Gear pump start, pumps fluid to retract side - Down-locks disengage - Red light comes on - Landing gear retracted with hydraulic actuators - Will continue to build up pressure until pressure switch is engaged - Up limit switch turns off light

Answer 33

- Selector down - Gear push fluid opposite way - Landing gear extend assisted by gravity and springs - Up limit switch not depressed light on - Operate until all three down limit switches are depressed - Down limit switches will cause light to turn off and green lights to turn on

Answer 34

Landing gear is not Down‐and‐Locked and the MP is below 14” on one or both engines. This is accomplished by micro‐switches positioned on the throttle quadrant near the throttles themselves (not from a MP indication). Because the positioning of the micro‐switches are critical to the accuracy of horn actuation, any variation in the location of these switches will cause the gear horn to sound at a MP higher or lower than 14”, as appropriate. 2. Flaps are extended to the 2nd or 3rd notch and the landing gear is not down and locked. 3. If the Gear Selector switch is in the UP position when the airplane is on the ground.

Answer 35

When not intending to land and when caused by throttles

Answer 36

Through a pressure relief valve

Answer 37

the valve will open to relieve pressure as a result of | temperature and pressure changes as the airplane climbs or descends

Answer 38

– if the pressure switch fails to shut off the pump when the landing gear is being retracted, this valve will open to prevent the gear pump from building excessive pressure in the hydraulic system

Answer 39

if the pump fails to shut off when the gear is being lowered, this valve will open up to prevent any damage to the gear pump or system

Answer 40

Keeps gear down and locked in event of side load

Answer 41

Frise differential ailerons Forms a slot so that air flows more smoothly at higher angle of attacks up 23 down 17

Answer 42

1, 10, 25, 40

Answer 43

Remove excess fuel

Answer 44

Bekt driven 14 volts 70 amp

Answer 45

A viltage regulator that maintains 14 volts in the system, over voltage relay to take off alt if volt exceeds 17

Answer 46

12 volts 35 amp

Answer 47

Nose compartment

Answer 48

``` BATMAN Battery buss Avionics 1 Tie bus Main Bus Avionics 2 Non-essential bus ```

Answer 49

Janitorial combustion heater

Answer 50

left fuel tank

Answer 51

The heater draws in outside air and uses a spark plug and fuel to make a “high velocity whirling flame”. The heat from this flame will heat air moving around a shroud around the heater and then push warm air into the cabin. When plane is in the air there is ram air and a fan for on the ground

Answer 52

This will allow the heater to cool down after use