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An airborne instrument equipped with a gyro with 1 degree of freedom and a ? [ Program pilot ]

Question 50-1 : Turn indicator gyromagnetic compass fluxgate compass directional gyro

exemple 150 Turn indicator. — Admin .a gyro with 2 degrees of freedom and a horizontal spin axis is a directional gyro . a gyro with 1 degree of freedom and a horizontal spin axis is a turn indicator Turn indicator.

In a turn at a constant angle of bank the turn indicator reading is ?

Question 50-2 : Inversely proportional to the aircraft true airspeed proportional to the aircraft true airspeed independent to the aircraft true airspeed proportional to the aircraft weight

exemple 154 Inversely proportional to the aircraft true airspeed. — .in a turn at a constant angle of bank a decrease in aircraft true airspeed involves an increase in rate of turn .rate of turn and tas are inversely proportional .example .rate of turn 3°/sec rate one turn .tas 100 kt .bank angle 15° .if now speed becomes 80 kt the turn indicator which previously show a 'rate one turn' is now showing more than a 'rate one turn' Inversely proportional to the aircraft true airspeed.

At a low bank angle the measurement of rate of turn actually consists in ?

Question 50-3 : Yaw rate of the aircraft pitch rate of the aircraft roll rate of the aircraft bank of the aircraft

exemple 158 Yaw rate of the aircraft. — Admin .turn indicators and turn coordinators actually measure rate of yaw up to rate 1 the rate of yaw and rate of turn are virtually the same Yaw rate of the aircraft.

The rate of turn is the ?

Question 50-4 : Change of heading rate of the aircraft yaw rate in a turn aircraft speed in a turn pitch rate in a turn

exemple 162 Change-of-heading rate of the aircraft. — .the rate of turn is the number of degrees your heading changes in a period of time usually one second or one minute .a standard rate turn typically spoken of in terms of instrument flight is performed at 180 degrees of heading change in a one minute period this gives a complete 360° turn in two minutes Change-of-heading rate of the aircraft.

On the ground during a right turn the turn indicator indicates ?

Question 50-5 : Needle to the right ball to left needle to the right ball to right needle in the middle ball to right needle in the middle ball to left

exemple 166 Needle to the right, ball to left — Needle to the right, ball to left

On the ground during a left turn the turn indicator indicates ?

Question 50-6 : Needle to the left ball to the right needle to the left ball to the left needle in the middle ball to the right needle in the middle ball to the left

exemple 170 Needle to the left, ball to the right. — Needle to the left, ball to the right.

When in flight the needle and ball of a needle and ball indicator are on the ?

Question 50-7 : Turning left with too much bank turning left with not enough bank turning right with too much bank turning right with not enough bank

exemple 174 Turning left with too much bank — Turning left with too much bank

When in flight the needle and ball of a needle and ball indicator are on the ?

Question 50-8 : Turning right with too much bank turning right with not enough bank turning left with too much bank turning left with not enough bank

exemple 178 Turning right with too much bank — Turning right with too much bank

When in flight the needle of a needle and ball indicator is on the right and ?

Question 50-9 : Turning right with not enough bank turning right with too much bank turning left with not enough bank turning left with too much bank

When in flight the needle of a needle and ball indicator is on the left and the ?

Question 50-10 : Turning left with not enough bank turning left with too much bank turning right with not enough bank turning right with too much bank

exemple 186 Turning left with not enough bank — Turning left with not enough bank

A stand by horizon or emergency attitude indicator ?

Question 50-11 : Contains its own separate gyro is automatically connected to the primary vertical gyro if the alternator fails is fully independent of external energy resources in an emergency situation only works of there is a complete electrical failure

In the building principle of a gyroscope the best efficiency is obtained ?

Question 50-12 : On the periphery and with a high rotational speed close to the axis and with a high rotational speed on the periphery and with a low rotational speed close to the axis and with a low rotational speed

exemple 194 On the periphery and with a high rotational speed. — On the periphery and with a high rotational speed.

The diagram representing a left turn with insufficient rudder is . 1045 ?

Question 50-13 : 4 3 1 2

exemple 198 4. — Fgabrys .i'm pretty sure that the correct answer is n°3 the diagram n°4 represents a left turn with too much rudder . .in a slipping turn the ball will be displaced in the direction of turn in the opposite direction for a skidding turn . 995.you now have two solutions .push on the left rudder pedal or decrease the bank angle 4.

The maximum directional gyro error due to the earth rotation is ?

Question 50-14 : 15°/hour 90°/hour 180°/hour 5°/hour

exemple 202 15°/hour. — .apparent drift due to the earth's rotation is .15° x sin latitude in degrees per hour.the latitude in this case is the latitude of the actual position of the aircraft .for latitude change flight north or south take the mean aircraft latitude for the period involved 15°/hour.

Heading information given by a gyro platform is given by a gyro at ?

Question 50-15 : 2 degrees of freedom in the horizontal axis 1 degree of freedom in the horizontal axis l degree of freedom in the vertical axis 2 degrees of freedom in the vertical axis

exemple 206 2 degrees-of-freedom in the horizontal axis. — A directional gyro consists of a 2 degrees of freedom horizontal axis gyro it must be aligned and corrected by the pilot drift due to the earth's rotation and transport wander 2 degrees-of-freedom in the horizontal axis.

Among the systematic errors of the 'directional gyro' the error due to the ?

Question 50-16 : 10 5°/hour to the right 15°/hour to the right 7 5°/hour to the right 7 5°/hour to the left

exemple 210 10.5°/hour to the right. — Admin .earth rate is 15°/h .at 45°north the earth rate is 15°/h x sin 45° = 10 6°/h .in northern hemisphere the gyro is drifting at a rate of 15°/h to the right the heading increases 10.5°/hour to the right.

A turn indicator is an instrument which indicates rate of turn rate of turn ?

Question 50-17 : 1 and 2 1 and 3 2 and 3 1 2 and 3

exemple 214 1 and 2. — 1 and 2.

The diagram which shows a 40° left bank and 15° nose down attitude is number ?

Question 50-18 : 1 2 3 4

exemple 218 1. — Img996.your aircraft is seen from behind 1.

The heading read on the dial of a directional gyro is subject to errors one of ?

Question 50-19 : Is dependent on the ground speed of the aircraft its true track and the latitude of the flight is in spite of this insignificant and may be neglected is at its greatest value when the aircraft follows a meridional track shows itself by an apparent rotation of the horizontal axis of the gyroscope which seems to turn at 15° per hour to the right in the northern hemisphere

exemple 222 Is dependent on the ground speed of the aircraft, its true track and the latitude of the flight. — Buhoraptor .and if it is on the equator . .the error depends upon the position of the aircraft on earth the drift error = 0 at the equator but this is not what the question states the question states that the apparent drift error depends on the ground speed the true track and the latitude even if it is on the equator and if the resulting error is zero Is dependent on the ground speed of the aircraft, its true track and the latitude of the flight.

A gravity erector system is used to correct the errors on ?

Question 50-20 : An artificial horizon a directional gyro a turn indicator a gyromagnetic compass

exemple 226 An artificial horizon. — An artificial horizon.

During a deceleration phase at constant attitude the control system of an air ?

Question 50-21 : Nose down attitude nose up attitude constant attitude nose up followed by a nose down attitude

exemple 230 Nose down attitude. — .errors in the artificial horizon suction .acceleration errors linear acceleration .these errors are also known as 'takeoff' errors as they are most noticeable during takeoff two elements cause the errors . the pendulous unit. the vanes ..error from the pendulous unit .the pendulous unit makes the rotor bottom heavy .as the aircraft accelerates a force from inertia of the unit is felt at the bottom and the unit tends.to lag behind it tends to swing the bottom of the gyro towards the pilot .air driven rotors spin anti clockwise when viewed from above so this inertial force will precess.through 90° in an anti clockwise direction lifting up the right hand side of the outer gimbal .the skyplate attached to the outer gimbal rotates in an anti clockwise direction lifting up the right.hand side of the outer gimbal the skyplate attached to the outer gimbal rotates anti clockwise.and the bank indicates a false right bank ..error from exhaust vanes .during acceleration the vanes on the right and left sides are thrown rearward .the result is that the right hand port is more than half open and the left side port is more than.half closed this upsets the balanced exhaust of air more air being discharged from the right.side than from the left side the reaction occurs on the left side and precesses through 90° and.lifts up the inner gimbal from the point nearest the pilot to indicate a false climb .thus with the gyro running anti clockwise a slight indication of right bank and climb are obtained.during an acceleration Nose down attitude.

In a directional gyro gimballing errors are due to ?

Question 50-22 : A banked attitude an apparent weight and an apparent vertical the vertical component of the earth's magnetic field the aircraft's movement over the earth

exemple 234 A banked attitude. — .the term 'gimballing error' is used to describe the errors which occur when the gyro has reached its physical limit in pitch or roll .any gimballing errors are due to banked attitudes and will disappear after the turn is complete A banked attitude.

Parallax error is ?

Question 50-23 : A reading error due to temperature effect due to pressure effect due to the effect of aircraft accelerations

exemple 238 A reading error. — Admin . 1002.the ball is centered parallax error is due to a reading under an oblique angle A reading error.

The apparent wander of a directional gyro is 15°/h ?

Question 50-24 : At the north pole at the latitude 30° at the latitude 45° at the equator

.15°/h at poles and 0° at the equator

The artificial horizon uses a gyroscope with . note the degree s of freedom of ?

Question 50-25 : Two degrees of freedom and its rotor spin axis is continuously maintained to local vertical by an automatic erecting system two degrees of freedom and its rotor spin axis is continuously maintained in the horizontal plane by an automatic erecting system one degree of freedom and its rotor spin axis is continuously maintained in the horizontal plane by an automatic erecting system one degree of freedom and its rotor spin axis is continuously maintained to local vertical by an automatic erecting system

exemple 246 Two degrees of freedom, and its rotor spin axis is continuously maintained to local vertical by an automatic erecting system. — Two degrees of freedom, and its rotor spin axis is continuously maintained to local vertical by an automatic erecting system.

The inertia of a gyroscope is greater when its rotation speed is ?

Question 50-26 : Higher and the mass of the spinning wheel is located further from the axis of rotation higher and the mass of the spinning wheel is closer to the axis of rotation lower and the mass of the spinning wheel is located further from the axis of rotation lower and the mass of the spinning wheel is closer to the axis of rotation

exemple 250 Higher and the mass of the spinning wheel is located further from the axis of rotation. — Higher and the mass of the spinning wheel is located further from the axis of rotation.

The rate of turn indicator uses a gyroscope . .1 the spinning wheel axis of ?

Question 50-27 : 2 4 3 4 1 5 3 5

exemple 254 2, 4. — Admin .the spin axis of the turn indicator gyro is aligned along the pitch axis lateral axis . 1003. 2389.the number of independent ways by which a dynamical system can move without violating any constraint imposed on it is called degree of freedom the gyro in the turn and slip indicator rotates in the vertical plane one degree of freedom only corresponding to the airplane's longitudinal axis a single gimbal limits the planes in which the gyro can tilt and a spring tries to return it to center 2, 4.

The latitude at which the apparent wander of a directional gyro is equal to 0 is ?

Question 50-28 : The equator latitude 30° latitude 45° the north pole

exemple 258 The equator. — .15°/h at poles and 0° at the equator The equator.

The gyroscope used in an attitude indicator has a spin axis which is ?

Question 50-29 : Vertical horizontal perpendicular to the longitudinal axis horizontal parallel to the longitudinal axis horizontal perpendicular to the yaw axis

exemple 262 Vertical. — Vertical.

For an aircraft flying a true track of 360° between the 5°s and 5°n ?

Question 50-30 : Approximately 0°/hour +5°/hour 5°/hour 15°/hour

exemple 266 Approximately 0°/hour — Approximately 0°/hour

A rate gyro is used in a .1 directional gyro indicator.2 turn co ordinator.3 ?

Question 50-31 : 2 1 2 3 1 1 2

exemple 270 2. — .an instrument which measures the rate of rotation of an object about an axis a spinning gyroscope precesses or tilts when it is rotated in a plane at right angles to its own spin axis the amount the gyroscope tilts is proportional to the rate at which it is rotated about an axis at right angles to both its spin axis and the axis of its precession the axis about which it tilts rate gyros are used in turn and slip indicators and turn coordinators . 1003.the spin axis of the turn indicator gyro is aligned along the pitch axis lateral axis of the aircraft 2.

A directional gyro consists of a .nb the degree s of freedom of a gyro does not ?

Question 50-32 : 2 degrees of freedom horizontal axis gyro 2 degrees of freedom vertical axis gyro 1 degrees of freedom horizontal axis gyro 1 degrees of freedom vertical axis gyro

exemple 274 2 degrees-of-freedom horizontal axis gyro. — 2 degrees-of-freedom horizontal axis gyro.

The spin axis of the turn indicator gyro is aligned along the ?

Question 50-33 : Lateral axis of the aircraft longitudinal axis of the aircraft vertical axis of the aircraft longitudinal axis of flight

exemple 278 Lateral axis of the aircraft. — The spin axis of the turn indicator gyro is aligned along the pitch axis lateral axis . 1003. 2389 Lateral axis of the aircraft.

The properties of a gyroscope are .1 rigidity in space .2 rigidity on earth ?

Question 50-34 : 1 3 1 4 2 3 2 4

exemple 282 1, 3. — 1, 3.

The rate of turn given by the rate of turn indicator is valid ?

Question 50-35 : For the airspeed range defined during the calibration of the instrument for all airspeeds with flaps retracted only for the cruising speed

exemple 286 For the airspeed range defined during the calibration of the instrument. — For the airspeed range defined during the calibration of the instrument.

Without any external action the axis of a free gyroscope is fixed with ?

Question 50-36 : Space the earth the aircraft the apparent vertical

exemple 290 Space. — Space.

Due to the rotation of the earth the apparent drift of a horizontal free ?

Question 50-37 : 11° per hour to the right 15° per hour to the left 2° per hour to the right 7° per hour to the left

exemple 294 11° per hour to the right. — Earth rate is 15°/h .at 45°north the earth rate is 15°/h x sin 45° = 10 6°/h .in northern hemisphere the gyro is drifting at a rate of 15°/h to the right the heading increases 11° per hour to the right.

Due to the rotation of the earth the apparent drift of a horizontal free ?

Question 50-38 : 7 5° per hour to the left 15° per hour to the right 2° per hour to the left 11° per hour to the right

exemple 298 7.5° per hour to the left. — Earth rate is 15°/h .at 30°south the earth rate is 15°/h x sin 30° = 7 5°/h .in southern hemisphere the gyro is drifting at a rate of 15°/h to the left the heading decreases 7.5° per hour to the left.

Due to the rotation of the earth the apparent drift of a horizontal free ?

Question 50-39 : 7 5° per hour to the right 15° per hour to the left 2° per hour to the right 11° per hour to the left

exemple 302 7.5° per hour to the right. — Earth rate is 15°/h .at 30°north the earth rate is 15°/h x sin 30° = 7 5°/h .in northern hemisphere the gyro is drifting at a rate of 15°/h to the right the heading increases 7.5° per hour to the right.

A free gyro has the axis of the spinning rotor horizontal and aligned with the ?

Question 50-40 : 13°/h to the right 7 5°/h to the left 7 5°/h to the right 13°/h to the left

exemple 306 13°/h to the right. — .earth rate is 15°/h .at 60°north the earth rate is 15°/h x sin 60° = 13°/h .in northern hemisphere the gyro is drifting at a rate of 15°/h to the right the heading increases . kn0027 .in the northern hemisphere the earth rate causes the dgi indication to decrease not increase 15sin lat this would appear to show a turn to the left ..in the northern hemisphere earth rotation which is our only consideration is negative which means the readings will decrease due to the apparent drift .when viewed from the top the compass card will appear to have turned clockwise which is right where as anti clockwise is considered left 13°/h to the right.

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