Email
info@vayudootaviation.com
Phone No
+91 7276526726
become a pilot
Home
About us
courses
CPL
ATPL
RTR(A)
Airline Cadet Program
IGRUA Entrance Prep
B.Sc. Aviation
Pilot Training
INDIA
USA
CANADA
SOUTH AFRICA
NEW ZEALAND
EUROPE
Aircraft Type-Rating
Airbus A320
Boeing 737
Blogs
contact
CPL Test Series
Question Bank
Questions for KW GYRO SCOPE
Answer the following questions
Test Mode
Training Mode
1. A slaved directional gyro derives it's directional signal from?
A direct reading magnetic compass.
The flight director.
The air-data-computer.
The flux valve.
2. In a turn at constant rate, the turn indicator reading is?
Proportional to the aircraft weight.
Independent to the aircraft true airspeed.
Inversely proportional to the aircraft true airspeed.
Proportional to the aircraft true airspeed.
3. The dither motor in a ring laser gyroscope?
Prevents or minimises transport wander.
Stabilises the frequency or the laser source.
Increases accuracy at all rotation rates.
Prevents laser lock.
4. A gravity erection device would be used on?
VSI
Turn and slip Indicator.
DGI.
Artificial horizon.
5. The input signal of the amplifier of the gyro-magnetic compass resetting device originates from the?
Error deterctor.
Directional gyro erection device.
Directional gyro unit.
Flux value.
6. The indications of the directional gyro when used as an on-board instrument are valid only for a short period of time. The causes of this inaccuracy are? 1. The earth's rotation. 2. The longitudinal acceleration. 3. The aircraft's motion over the surface of the earth. 4. The mechanical defects of the gyro. 5. The gimbal mount of the gyro rings. The combination of correct statements is?
1, 2, 3, 4, 5, 6.
1, 3, 4.
1, 3, 4, 6.
2, 5, 6.
7. The heading read on the dial of a directional gyro is subject to errors, one of which is due to the movement of the aircraft. This error?
Is at its greatest value when the aircraft follows a meridional track.
Is dependent on the ground speed of the aircraft, its true track and the average latitude of the flight.
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.
Is, in spite of this, insignificant and may be neglected.
8. The gimbal error of the directional gyro is due to the effect of?
Too slow precession on the horizontal gimbal ring.
The aircraft's track over the earth.
An apparent weight ad an apparent vertical.
A bank or pitch attitude of the aircraft.
9. A turn indicator is an instrument which indicates rate of turn. Rate of turn depends upon: 1.Bank angle. 2. Aeroplane speed. 3. Aeroplane weight. The combination regrouping the correct statements is?
1 and 3.
1 and 2.
1, 2, and 3.
2 and 3.
10. The gyro in DGI has. 1. One degree of freedom. 2. Two degrees of freedom. 3. Vertical axis. 4. Horizontal axis
1, 3.
1, 4.
2, 4.
2, 3.
11. A DGI has ______ degrees of freedom and a _______ spin axis?
1 vertical.
3 horizontal.
2 vertical
2 horizontal.
12. A rate integrating gyro is a detecting element used in? 1. An inertial attitude unit. 2. An automatic pilot. 3. A stabilizing servo system. 4. An inertial navigation system. 5. A rate-of-turn indicator. The combination of correct statements is?
2, 3, 5.
1, 2, 3, 4, 5.
1, 4.
2, 3, 4.
13.
The diagram below shows three gyro assemblies: A, B and C. Among these gyros, One is a roll gyro (noted 1). One is a pitch gyro (noted 2). One is a yaw gyro (noted 3) The correct matching of gyros and assemblies is?
1B, 2A, 3C.
1C, 2A, 3B.
1A, 2B, 3C.
1B, 2C, 3A.
14. The gyro in a vertical reference data generator has? 1. One degrees of freedom. 2. Two degrees of freedom. 3. Vertical axis. 4. Horizontal axis
2, 3.
1, 4.
2, 4.
1, 3.
15. The number of degrees of freedom of a gyro is?
Not related to the number of gimbals.
One less than the number of gimbals.
The same as the number of gimbals.
One more than the number of gimbals.
16. Transport wander when flying east at 400 Kts at 45 degrees north is?
7.67° per hour.
5.67° per hour.
6.67° per hour.
8.67° per hour.
17. Heading information given by a gyro platform, is given by a gyro at?
2 degrees-of-freedom in the horizontal axis.
1 degree-of-freedom in the vertical axis.
1 degree-of-freedom in the horizontal axis.
2 degrees-of-freedom in the vertical axis.
18. Which instrument uses a vertical gyroscope fitted with a gravity erection device?
DGI
Artificial horizon.
Rate gyro.
Turn indicator.
19. A directional gyro requires?
Three gimbals, three degrees of freedom and a lateral spin axis.
One gimbal, one degree of freedom and a vertical spin axis.
Two gimabls, two degrees of freedom and a horizontal spin axis.
One gimbal, one degree of freedom and horizontal spin axis.
20. Integrating gyroscopes are used? 1. Attitude indicators. 2. Inertial attitude units. 3. Rate of turn indicators. 4. Inertial navigation platforms. 5. Autopilots.
3 and 4.
4 and 5.
2, 3, and 5.
2 and 4.
21. Where would a rate integrating gyro be used? 1. Rate of turn indicator. 2. Autopilot. 3.Inertial navigation unit. 4.Inertial attitude reference unit. 5.As a stabiliser for an instrumer inertial platform
1, 2.
2, 3.
4, 5.
3, 4.
22. Compared with a conventional gyro, a laser gyro?
Consumes a lot of power.
Has a fairly long starting cycle.
Is influenced by temperature.
Has a longer life cycle.
23. A 2 axis gyro measuring vertical changes will have? 1. One degree of freedom. 2. Two degrees of freedom. 3. Vertical axis. 4. Horizontal axis
1, 3.
1, 4.
2, 3.
2, 4.
24. In a Turn-indicator, the measurement of rate of turn consists for?
High bank angles, in measuring the yaw rate.
Low bank angles, in measuring the roll rate.
Low bank angles, in measuring the yaw rate.
High bank angles, in measuring the roll rate.
25. A gravity erector system is used to correct errors in?
An artificial horizon.
An inertial platform.
A ROT Indicator.
A DGI.
26. The purpose of the torque motor in a gyro stabilised magnetic compass is to?
Remove flux valve errors.
Align the heading pointer with true heading prior to flight.
Preccess the directional gyro.
Move the selsyn stator or calibrate the compass.
27. When, in flight, the needle and ball of a needle and ball indicator are on the right, the aircraft is?
Turning right with not enough bank.
Turning left with too much bank.
Turning left with not enough bank.
Turning right with too much bank.
28. Note: in this question, the degrees of freedom of a gyro are determined by the number of gimbal rings it comprises. Among the flight control instruments, the artificial horizon plays an essential part. It uses a gyroscope with?
One degree of freedom, whose horizontal axis is maintained in a horizontal plane by an automatic erecting system.
Two degrees of freedom, whose axis is oriented and continuously maintained to local vertical by an automatic erecting system.
Two degrees of freedom, whose horizontal axis corresponding to a reference direction is maintained in a horizontal plane by an automatic erecting system.
One degree of freedom, whose vertical axis oriented in the direction of the real vertical to the location is maintained in this direction by an automatic erecting system.
29. The maximum directional gyro error due to the earth rotation is?
90°/hour.
5°/hour.
180°/hour.
15°/hour.
30. A gravity erector system is used to correct the errors on?
A gyro-magnetic compass.
A turn indicator.
Artificial horizon.
A directional gyro.
31. The properties that are peculiar to a gyroscope are? 1. Inertia. 2. Precession. 3. Rigidity. 4. Angular momentum
2 and 3.
1 and 2.
2, 3, and 4
2 and 4.
32. The pendulum type detector system of the directional gyro feeds?
A torque motor on the sensitive axis.
A nozzle integral with the outer gimbal ring.
2 torque motors arranged horizontally.
A leveling erection torque motor.
33. When an aircraft has turned 90 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon?
Attitude and bank correct.
Too much nose-up and bank too low.
Too much nose-up and bank correct.
Too much nose-up and bank too high.
34. The gyro in an artificial horizon requires.1. One degree of freedom. 2.Two degrees of freedom. 3. Vertical axis. 4. Horizontal axis
1, 4.
1, 3.
2, 3.
2, 4.
35. To Indicate true heading, the gyros in a gyro stabilised platform require? 1. One degree of freedom. 2. Two degrees of freedom. 3. Vertical axis. 4. Horizontal axis.
1, 3.
2, 3.
1, 4.
2, 4.
36. Transport wander when flying west at 300 Kts at 25 degrees south is?
-3.34° per hour.
-2.33° per hour.
3.34° per hour.
2.33° per hour.
37. The yaw damper system, uses a __________ gyro and produces rudder Inputs proportional to_________?
Horizontal displacement yaw rate.
Vertical displacement roll rate.
Vertical rate yaw and roll.
Horizontal rate yaw rate.
38. When, in flight, the needle of a needle and ball indicator is on the left and the ball on the right, the aircraft is?
Turning left with too much bank.
Turning left with not enough bank.
Turning right with not enough bank.
Turning right with too much bank.
39.
When viewed from above a gyro is seen to rotate on a vertical spin axis, as illustrated in the diagram. if a force tends to push the right side downwards?
It will tilt upwards at the left.
It will tilt upwards at the right.
It will tilt upwards at the front.
It will tilt upwards at the back.
40. Transport wander when flying west at 300 Kts at 25 degrees north is?
3.34° per hour.
-2.33° per hour.
-3.34° per hour.
2.33° per hour.
41. On the ground, during a left turn, the turn indicator indicates?
Needle to the left, ball to the right.
Needle to the left ball to the left.
Needle in the middle, ball to the left.
Needle in the middle, ball to the righ.
42. The charcteristics of he directional gyro (DG) used in a gyro stabilised compass system are?
One degree of fredom, whose vertical axis, aligned with the real vertical to the location is maintained in this direction by an automatic erecting system.
Two degress of freedom, whose axis aligned with the vertical to the location is maintained in this direction by an erecting system.
One degree of freedom, whose horizontal axis is maintained in the horizontal plane by an automatic erecting system.
Two degress of freedom, whose horizontal axis corresponding to the reference direction is maintained in the horizontal plane by an automatic erecting system.
43. For an aircraft flying a true track of 390° between the 005°S and 005°N parallels, the precession error of the directional gyro due to apparent drift is equal to?
+5°/hour.
0°/hour.
Depends only on the aircraft's ground speed.
-5°/hour.
44.
The diagram which shows a 40° left bank and 15° nose down attitude is?
3.
2.
1.
4.
45. Following 180° stabilized turn with a constant attitude and bank, the artificial horizon indicates?
Too high pitch-up and too low banking.
Too high pitch up and too high banking.
Attitude and banking correct.
Too high pitch-up and correct baning.
46. What is the maximum gyro drift rate that can be caused by earth rotation?
20° per hour.
90° per hour.
15°per hour.
5°per hour.
47. What error is caused by movement of the gyro relative to the earth in a DGI?
Earth rate.
Longitude latitude error.
Real wander.
Transport wander.
48. A gravity type erector is used in a vertical gyro device to correct errors on?
An artificial horizon
A gyro-magnetic indicator.
A directional gyro unit.
A turn indicator.
49. The gyro-magnetic compass torque motor?
Causes the heading indicator to precess.
Causes the directional gyro unit to precess.
Is fed by the flux value.
Feeds the error detector system.
50. Earth rate at 45 degrees north is?
-10.61° per hour.
13.59° per hour.
10.61° per hour.
-13.59° per hour.
Submit
Make New Set
