Q. The angle of the inclined plane at which the body just begins to slide down the plane, is called helix angle.

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Q. In forced vibrations, the magnitude of damping force at resonance is equal to the impressed force.

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Q. The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.

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Q. For static balancing of a shaft, the net dynamic force acting on the shaft is equal to zero.

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Q. A spring controlled governor is said to be unstable, if the relation between the controlling force (Fc) and radius of rotation (r) is Fc = ar.

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Q. The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be

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Q. When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

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Q. Longitudinal vibrations are said to occur when the particles of a body moves

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Q. The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft)

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Q. The sensitiveness of the governor __________ as the speed range decreases.

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Q. In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from

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Q. The working depth of a gear is the radial distance from the

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Q. The acceleration of a particle at any instant has two components i.e. radial component and tangential component. These two components will be

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Q. When the axes of the first and last wheels are co-axial, then the train is known as

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Q. The primary unbalanced force is more than the secondary unbalanced force.

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Q. The cam and follower is an example of

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Q. Which of the following statement is correct?

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Q. A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)

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Q. Critical damping is a function of

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Q. The relation between me number of links (l) and the number of binary joints (j) for a kinematic chain having constrained motion is given by l = l - 2. If the left hand side of this equation is greater than the right hand side, then the chain is

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