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. Earth rate at 45 degrees north is?
10.61° per hour.
-13.59° per hour.
-10.61° per hour.
13.59° per hour.
2. A slaved directional gyro derives it's directional signal from?
The flux valve.
A direct reading magnetic compass.
The air-data-computer.
The flight director.
3.
The diagram which shows a 40° left bank and 15° nose down attitude is?
1.
2.
4.
3.
4. A directional gyro requires?
One gimbal, one degree of freedom and a vertical spin axis.
Three gimbals, three degrees of freedom and a lateral spin axis.
Two gimabls, two degrees of freedom and a horizontal spin axis.
One gimbal, one degree of freedom and horizontal spin axis.
5. 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
1, 3.
2, 3.
2, 4.
1, 4.
6. At a low bank angle, the measurement of rate-of-turn actually consists in measuring the?
Pitch rate of the aircraft.
Roll rate of the aircraft.
Yaw rate of the aircraft.
Angular velocity of the aircraft.
7. On the ground, during a left turn, the turn indicator indicates?
Needle in the middle, ball to the left.
Needle in the middle, ball to the righ.
Needle to the left ball to the left.
Needle to the left, ball to the right.
8. A DGI has ______ degrees of freedom and a _______ spin axis?
2 vertical
1 vertical.
3 horizontal.
2 horizontal.
9. During an acceleration phase at constant attitude, the resetting principle of the artificial horizon results in the horizon bar indicating a?
Nose-up attitude.
Constant attitude.
Nose-down followed by a nose-up attitude.
Nose-down attitude.
10. The number of degrees of freedom of a gyro is?
One less than the number of gimbals.
Not related to the number of gimbals.
The same as the number of gimbals.
One more than the number of gimbals.
11. 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.
12. In a turn at constant rate, the turn indicator reading is?
Proportional to the aircraft weight.
Inversely proportional to the aircraft true airspeed.
Independent to the aircraft true airspeed.
Proportional to the aircraft true airspeed.
13. A gravity erector system is used to correct the errors on?
Artificial horizon.
A gyro-magnetic compass.
A directional gyro.
A turn indicator.
14. 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
4, 5.
3, 4.
2, 3.
1, 2.
15. The yaw damper system, uses a __________ gyro and produces rudder Inputs proportional to_________?
Vertical displacement roll rate.
Vertical rate yaw and roll.
Horizontal rate yaw rate.
Horizontal displacement yaw rate.
16. The properties of a gyro are? 1. Mass. 2. Rigidity in space. 3. Inertia. 4. Precession . 5. Rigidity with reference to the earth
1, 2, 3, 4.
1, 2, 3, 5.
1, 3, 4, 5.
2, 3, 4, 5.
17. Following 180° stabilized turn with a constant attitude and bank, the artificial horizon indicates?
Too high pitch-up and correct baning.
Too high pitch-up and too low banking.
Attitude and banking correct.
Too high pitch up and too high banking.
18. 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.
2, 5, 6.
1, 2, 3, 4, 5, 6.
1, 3, 4, 6.
19. Earth rate at 45 degrees north is?
-15° per hour.
Zero.
15° per hour.
6.34° per hour.
20. To obtain heading information a gyro-stabilised platform requires?
A vertical axis and one degree of freedom.
A horizontal axis and one degree of freedom.
A lateral axis and two degrees of freedom.
A vertical axis and two degrees of freedom.
21. 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.
22. Compared with a conventional gyro, a laser gyro?
Is influenced by temperature.
Has a fairly long starting cycle.
Has a longer life cycle.
Consumes a lot of power.
23. The basis properties of a gyroscope are? 1.The gyro's weight. 2.The rigidity in space. 3.The inertia.4. The high RPM. 5. The precession The combination of correct statements is?
2, 5.
3, 4.
1, 3, 5.
2, 3, 5.
24. 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?
1, 3.
1, 2.
2, 4.
3, 4.
25. The charcteristics of he directional gyro (DG) used in a gyro stabilised compass system are?
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 fredom, whose vertical axis, aligned with the real vertical to the location is maintained in this direction by an automatic 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.
26. A gravity erection device would be used on?
Turn and slip Indicator.
Artificial horizon.
DGI.
VSI
27. 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, in spite of this, insignificant and may be neglected.
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 at its greatest value when the aircraft follows a meridional track.
28. The maximum directional gyro error due to the earth rotation is?
90°/hour.
15°/hour.
180°/hour.
5°/hour.
29. 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 not enough bank.
Turning left with not enough bank.
Turning left with too much bank.
Turning right with too much bank.
30. A turn indicator is built around a gyroscope with?
1 degree of freedom.
0 degree of freedom.
2 degrees of freedom.
3 degrees of freedom.
31. On the ground, during a right turn, the turn indicator indicates?
Needle to the right, ball to left.
Needle in the middle, ball to right.
Needle in the middle, ball to left.
Needle to the right, ball to right
32. The pendulum type detector system of the directional gyro feeds?
A nozzle integral with the outer gimbal ring.
A leveling erection torque motor.
A torque motor on the sensitive axis.
2 torque motors arranged horizontally.
33. 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, 4.
1, 3.
1, 4.
2, 3.
34. An airborne Instrument, equipped with a gyro with 1 degree of freedom and a horizontal spin axis is a?
Turn indicator.
Fluxgate compass.
Gyro-magnetic compass.
Directional gyro.
35. The dither motor in a ring laser gyroscope?
Prevents or minimises transport wander.
Prevents laser lock.
Stabilises the frequency or the laser source.
Increases accuracy at all rotation rates.
36.
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 back.
It will tilt upwards at the right.
It will tilt upwards at the front.
37. The directional gyro axis spins about the local vertical by 15°/hour?
In the latitude 30°.
In the latitude 45°.
On the equator.
On the North pole.
38. When an aircraft has turned 270 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 correct.
Too much nose-up and bank too low.
Too much nose-up and bank too high.
39. The properties unique to a gyro include? 1.Mass. 2.Inertia. 3.Rigidity. 4. Precession. 5. Rotational velocity.
1, 2.
3, 4.
3, 4.
2, 3.
40. The heading reference unit of a three-axis data generator is equipped with a gyro with?
2 degrees of freedom and horizontal spin axis.
1 degree of freedom and horizontal spin axis.
2 degrees of freedom and vertical spin axis.
1 degree of freedom and vertical spin axis.
41. How many degrees of freedom and what spin axis will a two axis gyro measuring vertical changes use?
2 Longitudinal.
1 Vertical.
2 Lateral.
2 Vertical.
42. 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?
1, 3.
2, 4.
1, 4.
2, 3.
43. Gyro rigidity improves with?
Increasing RPM, mass and radial displacement of mass.
Increasing RPM and mass but decreasing radial displacement of mass.
Decreasing RP but increasing mass and radial displacement o mass.
Decreasing RPM and mass but increasing radial displacement of mass.
44. 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 not enough bank.
Turning right with too much bank.
Turning left with too much bank.
45. Gyroscope rigidity is increased by _______ RPM and concentrating the mass at the _________ of the rotor?
Increasing rim.
Decreasing rim.
Decreasing hub.
Increasing hub.
46. 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?
0°/hour.
+5°/hour.
-5°/hour.
Depends only on the aircraft's ground speed.
47. The rate-of -turn is the?
Change-of-heading rate of the aircraft.
Pitch rate in a turn.
Yaw rate in a turn aircraft.
Speed in a turn.
48. Among the systematic errors of the "directional gyro", the error due to the earth rotation make the north reference turn in the horizontal plane. At a mean latitude of 45°N, this reference turns by?
10.5°/hour to the right.
15°/hour to the right.
7.5°/hour to the right.
7.5°/hour to the left.
49. Transport wander when flying east at 300 Kts at 40 degrees south is?
-4.2° per hour.
7.2° per hour.
6.2° per hour.
-5.2° per hour.
50. An airborne instrument, equipped with a gyro with 2 degrees of freedom and a horizontal spin axis is?
A turn indicator.
An artificial horizon.
A directional gyro.
A fluxgate compass.
Submit
Make New Set
