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CPL Test Series
Question Bank
Questions for R* B*LI GYRO
Answer the following questions
Test Mode
Training Mode
1. Increasing altitude at constant TAS will ____ the angle of Bank required to achieve a rate 1 turn
Increase
Not affect
Decrease
2. An a/c turns left from Hdge 045° to 315° at rate 1. Time taken will be. Bank = TAS/10 + 7
30 sec
45 sec
90 sec
3. On a TSI what does it indicate when the turn needle is out to the left and the ball out to the right?
Right turn with too much bank
Left turn with too much bank
Left turn with too little bank
4. Under normal operating conditions, when an aircraft is in banked turn, the rate-of-turn indicator is 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
1,2
1,3
3,4
5. A/H indications are reliablie in
±85° pitch, ±180° roll
±85° pitch, ±90° roll
±55° pitch, ±85° roll
6. For a coordinated rate 1 right turn at 250 Kts TAS, in clean configuration the correct AOB is approximately?
23 degrees
32 degrees
16 degrees
7. The ball in a serviceable slip indicator is _____ by _____ and _____ indicate the state of slip
Held central, gravity, always
Positioned, Acceleration, does not always
Held central, gravity, does not always
8. The gimbal error of the directional gyro is due to the effect of
an apparent weight and an apparent vertical
two slow procession on the horizontal gimbal ring
a bank or pitch attitude of the aircraft
9. In a Turn-indicator, the measurement of a rate - of -turn consists of
high bank angles, in measuring the roll rate
high bank angles, in measuring the yaw rate
low bank angles, in measuring the yaw rate
10. The indications on a directional gyroscope or gyrocompass are subject to errors, due to: 1. rotation of Earth 2. aero plane motion on Earth 3. lateral and transversal aero plan bank angles 4. north change 5. mechanical defects The combination of correct statements is
2,3,5
1,2,3,5
3,4,5
11. 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 too much bank
turning left with not enough bank
12. In comparison to low level at higher level, if RAS is kept constant to maintain same rate. Bank is to be
Decreased
Increased
Same
13. If the mass of the aircraft was decreased from 60000 Kg to 45000 Kg?
It would decrease the required AOB
It would not affect the required AOB, but less power would be required
It would increase the required AOB
14. On the ground, during a left turn, the turn indicator indicates
needle to the left, ball to the left
needle in the middle, ball to the right
needle to the left, ball to the right
15. What corrective action is required if the ball is out to the right in a left turn?
More left bank
More left rudder
More right ruder
16. An airborne instrument, equipped with a gyro with 1 degree of freedom and horizontal spin axis is a
turn indicator
directional gyro
fluxgate compass
17. 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
1,3,4,5
1,2,3,5
18. In comparison to low level, to maintain same rate of turn, RAS at higher level is to be
Decreased
Increased
Same
19. ROT indications are?
Proportional to CAS
Proportional to TAS
Proportional to mass
20. Following 180° stabilized turn with a constant attitude and bank, the artificial horizon indicates
attitude and banking correct
too high pitch up and too high banking
too high pitch-up and too low banking
21. If the turn and slip indicator shows needle left and ball left in a banked turn, the aircraft is ____ and the required corrective action is ___?
Slipping push left pedal forward
Skidding push left pedal forward
Skidding push right pedal forward
22. When turning at constant bank angle the rate of turn is?
Determined by weight
Determined by TAS
Determined by weight and TAS
23. A turn indicator used in conjunction with an attitude indicator can show? 1. TAS in a turn 2. Direction of turn 3. Angular velocity about the vertical axis of the aircraft. 4. Angular velocity about the true vertical axis
1,2
1,3
2,3
24. In the building principle of a gyroscope, the best efficiency is obtained through the concentration of the mass
close to the axis and with a low rotation speed
on the periphery and with a low rotation speed
on the periphery and with a high rotation speed
25. If both the ball and needle are out to the left in a turn, the ball can be centralized by?
Increasing TAS
Pushing the right rudder bar forward
Decreasing TAS
26. The indication of the directional gyro 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 gyro's weight 6. the gimbal mount of the gyro rings. The combination of the correct statements is
1,3,4,6
2,5,6
1,3,4
27. 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 of correct statements is
1,4
2,4
2,3
28. A directional gyro requires?
One gimbal, one degree of freedom and a horizontal spin axis
Two gimbals, two degrees of freedom and a horizontal spin axis
Three gimbals, three degrees of freedom and a lateral spin axis
29. The rate-of-turn is the
aircraft speed in a turn
change-of-heading rate of the aircraft
pitch rate in a turn
30. When, in flight, the needle and a ball of a needle-and-ball indicator are on the right, the aircraft is
turning left with not enough bank
turning right with too much bank
turning left with too much bank
31. During an acceleration phase at constant attitude, the resetting principle of the artificial horizon results in the horizon bar indicating a
nose-down followed by a nose-up attitude
constant attitude
nose-up attitude
32. If the turn indicator needle is out to the right and the ball is out to the left, it indicates?
A right turn with too little bank
A left turn with too much bank
A left turn with too little bank
33. An a/c rolls out after 180° steep turn to the left with reference to natural horizon. A/H will show
Level and bank to the left
Climb and slight turn to the right
Climb and slight bank to the left
34. If the turn and slip indicator shows needle left and ball right in a banked turn, the aircraft is ____ and the required corrective actions is_____?
Skidding push left pedal forward
Skidding push right pedal forward
Slipping push left pedal forward
35. An aircraft if flying at a 120kt true airspeed, In order to achieve a rate 1 turn, the pilot will have to bank the aircraft at an angle of
12°
19°
30°
36. Classic artificial horizon Indications turning through 180° at constant AOB?
Nose up and AOB too low
Nose up and AOB too high
Nose up and correct AOB
37. What are the essential properties of a turn indicator? 1. Two degrees of freedom 2. One degree of freedom 3. Horizontal spin axis 4. Vertical spin axis 5. Longitudinal spin axis
3,4
2,3
1,2
38. What will be the immediate turn and slip indications when a left engine fails in climbing flight
Needle left and ball right
Needle and ball right
Needle and ball left
39. When, in flight, the needle and ball of a needle-and-ball indicator are on the left, the aircraft is
turning right with too much bank
turning right with not enough bank
turning left with too much bank
40. 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 tack and the average latitude of the flight
is at its greatest valve when the aircraft follows a meridian track
41. During take off roll an a/c fitted with vacuum driven A?H will show
Climb and bank to right
Will read correct as a/c on ground (Irrespective of a/c position, indications will be the same)
Only climb and no bank as a/c is on ground
42. The number of degrees of freedom of a gyro is?
The same as the number of gimbals
One more than the number of gimbals
One less than the number of gimbals
43. A turn indicator is built around a gyroscope with
0 degree of freedom
3 degrees of freedom
1 degree of freedom
44. An a/c rolls out after 180° steep turn to the right with reference to natural horizon. A/H will show
Level and bank to the left
Climb and slight bank to the left
Climb and slight bank to the right
45. How many degrees of freedom and what is the spin axis of an attitude indiciator?
Aircraft horizontal axis one degree of freedom
Aircraft lateral axis two degrees of freedom
Local earth vertical two degrees of freedom
46. The gyro in a turn indicator must have ___ gimbal ___ and ___ degrees of freedom?
One one
Two two
Two one
47. On the ground, during a right turn, the turn indicator indicates
needle to the right, ball to the right
needle to the right, ball to the left
needle in the middle, ball to the right
48. Rigidity in a gyroscope is
a way to express the stability of the inner and outer gimbal rings
the tendency it has to remain in its plane of rotation and resist attempts to alter its position.
the reaction 90° in the direction of rotation when applying force to the spinning wheel
49. How will a basic AI respond if an aircraft performs a 270 degree turn at constant bank angle and ROT?
Nose down and bank
Noise level and bank
Nose up and bank
50. 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 too high
too much nose-up and bank correct
too much nose-up and bank too low
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