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. The rate-of -turn is the?
Change-of-heading rate of the aircraft.
Speed in a turn.
Yaw rate in a turn aircraft.
Pitch rate in a turn.
2.
The diagram which shows a 40° left bank and 15° nose down attitude is?
3.
4.
1.
2.
3. 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.
2, 3.
1, 3.
2, 4.
1, 4.
4. DGI errors are caused by 1. Mechnical imperfections. 2. Earth rate. 3. Transport wander. 4. Banking when pitching. 5. Annual migration of the poles
1, 2, 3, 4.
All of the above.
2, 3, 4, 5.
3, 4, 5.
5. Under normal operating conditions, when an aircraft is in a banked turn, the rate-of-turn Indicator is a valuable gyroscopic flight control instrument ; when it is associated with an attitude indicator it indicates? 1. The angular velocity of the aircraft about the yaw axis. 2. The bank of the aircraft. 3. The direction of the aircraft turn. 4. The angular velocity of the aircraft about the real vertical. The combination of correct statements is?
3, 4.
1, 3.
1, 2.
2, 4.
6. The indications on a directional gyroscope or gyrocompass are subject to errors, due to: 1. Rotation of Earth, 2. Aeroplane motion on Earth. 3. Lateral and transversal aeroplane bank angles. 4. North change. 5. Mechanical defects. Chose the combination with true statements only?
1, 2, 4, 5.
1, 2, 3, 5.
3, 4, 5.
2, 3, 5.
7. Which instrument employs a gravity erecting device on its gyro?
Directional gyro unit.
Turn indicator.
Artificial horizon.
ASI.
8. The charcteristics of he directional gyro (DG) used in a gyro stabilised compass system are?
Two degress of freedom, whose horizontal axis corresponding to the reference direction is maintained in the horizontal plane 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.
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.
9. On the ground, during a left turn, the turn indicator indicates?
Needle in the middle, ball to the left.
Needle to the left, ball to the right.
Needle to the left ball to the left.
Needle in the middle, ball to the righ.
10. At a low bank angle, the measurement of rate-of-turn actually consists in measuring the?
Angular velocity of the aircraft.
Pitch rate of the aircraft.
Yaw rate of the aircraft.
Roll rate of the aircraft.
11. 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.
2, 3, 4.
1, 4.
12. A turn indicator is built around a gyroscope with?
1 degree of freedom.
2 degrees of freedom.
0 degree of freedom.
3 degrees of freedom.
13. An airborne instrument, equipped with a gyro with 2 degrees of freedom and a horizontal spin axis is?
A fluxgate compass.
A turn indicator.
An artificial horizon.
A directional gyro.
14. The properties of a gyro are? 1. Mass. 2. Rigidity in space. 3. Inertia. 4. Precession . 5. Rigidity with reference to the earth
1, 3, 4, 5.
1, 2, 3, 4.
2, 3, 4, 5.
1, 2, 3, 5.
15. The heading information originating from the gyro-magnetic compass flux value is sent to the?
Heading indicator.
Erector system.
Error detector.
Amplifler.
16. Transport wander when flying west at 300 Kts at 25 degrees north is?
-2.33° per hour.
2.33° per hour.
3.34° per hour.
-3.34° per hour.
17. When, in flight, the needle of a needle and ball indicator is on the right and the ball on the left, the aircraft is?
Turning right with too much bank.
Turning right with not enough bank.
Turning left with too much bank.
Turning left with not enough bank.
18. What type of gyro has a horizontal spin axis and one degree of freedom?
Space tyro.
Rate integrating gyro.
Rate gyro.
Displacement gyro.
19. The purpose of the torque motor in a gyro stabilised magnetic compass is to?
Move the selsyn stator or calibrate the compass.
Remove flux valve errors.
Align the heading pointer with true heading prior to flight.
Preccess the directional gyro.
20. To obtain heading information a gyro-stabilised platform requires?
A lateral axis and two degrees of freedom.
A horizontal axis and one degree of freedom.
A vertical axis and one degree of freedom.
A vertical axis and two degrees of freedom.
21. 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.
2, 3.
1, 3.
2, 4.
22. 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.
1, 3.
2, 4.
23. A gravity erection device would be used on?
DGI.
VSI
Turn and slip Indicator.
Artificial horizon.
24. 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, 2, and 3.
1 and 2.
1 and 3.
2 and 3.
25. A Standby horizon or emergency attitude indicator?
Is fully independent of external energy resources in an emergency situation.
Only works of there is a complete electrical failure.
Is automatically connected to the primary vertical gyro if the alternator fails.
Contains its own separate gyro.
26. How many degrees of freedom and what spin axis will a two axis gyro measuring vertical changes use?
2 Longitudinal.
1 Vertical.
2 Vertical.
2 Lateral.
27. 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 too much bank.
Turning right with not enough bank.
28. The gyro-magnetic compass torque motor?
Feeds the error detector system.
Causes the heading indicator to precess.
Causes the directional gyro unit to precess.
Is fed by the flux value.
29. 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?
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 dependent on the ground speed of the aircraft, its true track and the average 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.
30. 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, 4.
1, 3.
2, 3.
2, 4.
31. A gravity erector system is used to correct errors in?
An artificial horizon.
A ROT Indicator.
An inertial platform.
A DGI.
32. Earth rate at 45 degrees north is?
-10.61° per hour.
-13.59° per hour.
13.59° per hour.
10.61° per hour.
33. 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?
Two degrees of freedom, whose axis is oriented and continuously maintained to local vertical 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.
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 horizontal axis is maintained in a horizontal plane by an automatic erecting system.
34. When an aircraft has turned 270 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon?
Too much nose-up and bank correct.
Attitude and bank correct.
Too much nose-up and bank too low.
Too much nose-up and bank too high.
35. The properties that are peculiar to a gyroscope are? 1. Inertia. 2. Precession. 3. Rigidity. 4. Angular momentum
2 and 4.
2, 3, and 4
2 and 3.
1 and 2.
36. Earth rate at 45 degrees north is?
-15° per hour.
Zero.
15° per hour.
6.34° per hour.
37. 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
3, 4.
1, 2.
2, 3.
4, 5.
38. When an aircraft has turned 360 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon?
Too much nose-up and bank too low.
Too much nose-up and bank correct.
Too much nose-up and bank too high.
Attitude and bank correct.
39. What error is caused by movement of the gyro relative to the earth in a DGI?
Real wander.
Transport wander.
Longitude latitude error.
Earth rate.
40. A directional gyro is? 1. A gyroscope free around two axis. 2. A gyroscope free around one axis. 3. Capable of self-orientation around an earth-tied direction. 4. Incapable of self-orientation around an earth-tied direction. The combination which regroups all of the correct statements is?
2, 4.
1, 3.
2, 3.
1, 4.
41. The gyro in DGI has. 1. One degree of freedom. 2. Two degrees of freedom. 3. Vertical axis. 4. Horizontal axis
2, 4.
2, 3.
1, 4.
1, 3.
42. Rigidity Increases with?
Increasing RPM, and concentrating mass close to the centre.
Increasing RPM and spin axis length.
Decreasing RPM and radius.
Increasing RPM and concentrating mass at the periphery.
43. A gravity type erector is used in a vertical gyro device to correct errors on?
A turn indicator.
A gyro-magnetic indicator.
A directional gyro unit.
An artificial horizon
44. 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.
45. 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, 3, 4, 6.
1, 3, 4.
2, 5, 6.
1, 2, 3, 4, 5, 6.
46. On the ground, during a right turn, the turn indicator indicates?
Needle to the right, ball to left.
Needle in the middle, ball to left.
Needle in the middle, ball to right.
Needle to the right, ball to right
47. Gyroscope rigidity is increased by _______ RPM and concentrating the mass at the _________ of the rotor?
Increasing hub.
Increasing rim.
Decreasing hub.
Decreasing rim.
48. Transport wander when flying east at 400 Kts at 45 degrees north is?
8.67° per hour.
6.67° per hour.
7.67° per hour.
5.67° per hour.
49. When an aircraft has turned 90 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon?
Too much nose-up and bank correct.
Too much nose-up and bank too high.
Too much nose-up and bank too low.
Attitude and bank correct.
50. The properties unique to a gyro include? 1.Mass. 2.Inertia. 3.Rigidity. 4. Precession. 5. Rotational velocity.
3, 4.
3, 4.
2, 3.
1, 2.
Submit
Make New Set
