1. |
The engine of an aeroplane rotates in a clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of the gyroscopic couple on the aeroplane will be
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Answer:
Option (a) |
2. |
A disc spinning on its axis at 20 rad/s will undergo precession when a torque 100 N-m is applied about an axis normal to it at an angular speed if the mass moment of inertia of the disc is the 1 kg-m2
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Answer:
Option (b) |
3. |
The rotor of a ship rotates in a clockwise direction when viewed from the stern and the ship takes a left turn. The effect of the gyroscopic couple acting on it will be
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Answer:
Option (c) |
4. |
When the pitching of a ship is upward, the effect of the gyroscopic couple acting on it will be
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Answer:
Option (b) |
5. |
A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the same direction as that of wheels, then due to the centrifugal forces
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Answer:
Option (b) |
6. |
The steering of a ship means
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Answer:
Option (b) |
7. |
The maximum gyroscopic couple acting on the ship tends to shear the holding down bolts.
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Answer:
Option (a) |
8. |
The axis of precession is ____________ to the plane in which the axis of spin is going to rotate.
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Answer:
Option (b) |
9. |
The rolling of a complete ship side-ways is known as the pitching of a ship.
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Answer:
Option (b) |
10. |
A device which consists of a wheel or disc mounted so that it can spin rapidly about an axis which is itself free to alter indirection is called
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Answer:
Option (b) |