Part66EASA Module11A.05.1-Instrument Systems(ATA 31).(6of8)

Request edit access

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

Email *

In the directional gyro.
*

1 point

Option A. the outer gimbal is pivoted longitudinally.

Option B. the outer gimbal is pivoted vertically.

Option C. the outer gimbal is pivoted laterally.

Angular momentum of a gyro rotor depends on.
*

1 point

Option A. moment of inertia of the rotor.

Option B. angular velocity of the rotor.

Option C. moment of inertia and angular velocity of the rotor.

A rate of turn indicator dial marked '2 minutes' refers to a.
*

1 point

Option A. rate 3 turn.

Option B. rate 2 turn.

Correct Answer is. rate 1 turn.

The erection system on a directional gyroscope has.
*

1 point

Option A. a switch on the outer gimbal controlling a motor on the inner gimbal.

Option B. a switch on the inner gimbal controlling a motor on the inner gimbal.

Option C. a switch on the inner gimbal controlling a motor on the outer gimbal.

If the pitot and static pipe lines were cross connected at the instrument panel connection, application of
pressure to the pitot head would cause the.
*

1 point

Option A. altimeter reading to decrease, vertical speed indicator to indicate climb.

Option B. altimeter reading to increase, vertical speed indicator to indicate descent.

Option C. altimeter reading to decrease, vertical speed indicator to indicate descent.

When a force is applied to a horizontal gyro, the precession of the rotor will continue until.
*

1 point

Option A. plane of rotation is in line with the precessional force.

Option B. plane of rotation is in line with the plane of the applied force.

Option C. as long as the force is applied.

In an altimeter, the.
*

1 point

Option A. capsule and case are connected via a calibrated choke.

Option B. inside of the capsule is connected to static pressure.

Option C. capsule is evacuated and sealed.

The millibar is a unit of.
*

1 point

Option A. atmospheric temperature.

Option B. barometric pressure.

Option C. vacuum pressure.

A small constant leak in the case of V.S.I. fitted in a pressurized aircraft would, during level flight,
cause the instrument to indicate.
*

1 point

Option A. zero.

Option B. a rate of climb.

Option C. a rate of descent.

The electrolyte switches used in gyro systems rely upon.
*

1 point

Option A. change in resistance to operate.

Option B. change in inductance to operate.

Option C. change in voltage applied to operate.

How is the information on a directional gyro outer gimbal taken off?.
*

1 point

Option A. By a flux take-off device.

Option B. By a switch on the outer gimbal.

Correct Answer is. By a flux take-off device.

Which of the following would cause a displacement gyro to topple?.
*

1 point

Option A. Running gyro at low speed.

Option B. Inverting the gyro.

Option C. Inverting the gyro.

A V.S.I. is connected to.
*

1 point

Option A. vacuum.

Option B. pitot pressure.

Option C. static pressure.

A pitot or static leak check is carried out.
*

1 point

Option A. only when an instrument is changed.

Option B. only when a leak is suspected.

Option C. whenever the pitot or static systems are disturbed.

A pressure of one atmosphere is equal to.
*

1 point

A pressure of one atmosphere is equal to.

Option A. 1 inch Hg.

Option B. 100 millibar.

Option C. 14.7 PSI.

A constant force applied to the inner gimbal of a vertical gyro would cause.
*

1 point

Option A. a continual precession in roll.

Option B. a roll error and gyro topple.

Option C. a pitch error and gyro topple.

Aircraft heading (HDG) is.
*

1 point

Option A. the angle between True North and the desired track.

Option B. the angle between True North and the actual track.

Option C. the angle between True North and the longitudinal axis of the aircraft.

In a Turn and Slip indicator, the effect of increasing the rotor speed would be.
*

1 point

Option A. it would over read.

Option B. it would have no effect.

Option C. it would under read.

The normal erection supply to the mercury switches of the artificial horizon is disconnected.
*

1 point

Option A. for the first 40 seconds after initially switching 'ON'.

Option B. during turns.

Option C. when the fast erection button is pressed.

Temperature correction in a sensitive altimeter mechanism is provided by a.
*

1 point

Option A. balance weight.

Option B. U-spring acting on the capsule.

Option C. bi-metal U-spring acting on the capsule.

In the Turn and Slip indicator.
*

1 point

Option A. the spin axis is lateral.

Option B. the spin axis is longitudinal.

Correct Answer is. the spin axis is lateral.

In level flight, a V.S.I. will indicate.
*

1 point

Option A. vertically up.

Option B. vertically down.

Option C. horizontal to left.

At the lowest point of each vent line you would normally find a.
*

1 point

Option A. float valve.

Option B. NACA duct.

Option C. self draining non-return valve.

After disconnecting the supply to an electrically operated gyro instrument it is recommended that, to
allow the gyro rotor to stop, before moving the instrument.
*

1 point

Option A. fifteen minutes should elapse.

Option B. three minutes should elapseq.

Option C. three minutes should elapse.

Gyro rigidity is proportional to.
*

1 point

Option A. mass, and radius of mass from spin axis.

Option B. mass, speed and radius of mass from spin axis.

Option C. mass and speed.

Submit

Clear form

This form was created inside of amepreparation.com.

Does this form look suspicious? Report

Forms