Q. The included angle for the V-belt is usually

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Q. In a steam engine, the link constitutes a

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Q. The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is

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Q. In a kinematic chain, a quaternary joint is equivalent to

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Q. For dynamic balancing of a shaft

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Q. The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone)

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Q. The natural frequency of free transverse vibrations is same as that of free longitudinal vibrations.

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Q. The throw of the eccentric is equal to the valve travel.

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Q. The addendum is the radial distance of tooth from the pitch circle to the top of the tooth.

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Q. A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

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Q. The height of a Watt's governor (in metres) is equal to (where N = Speed of the arm and ball about the spindle axis)

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Q. A slider moving on a fixed link having constant radius of curvature will have its instantaneous centre at the centre of the circle.

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Q. According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centres will lie on a

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Q. The tangential component of acceleration of the slider with respect to the coincident point on the link is called coriolis component of acceleration.

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Q. The periodic time is given by (where ω = Angular velocity of the particle in rad/s)

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Q. When two links are connected by a pin joint, their instantaneous centre lies

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Q. When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle)

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Q. The periodic time of one oscillation for a simple pendulum is

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Q. The relation l = (j + 2) apply only to kinematic chains in which lower pairs are used. This may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to

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Q. According to law of gearing, the common normal at the point of contact between a pair of teeth must always pass through the pitch point.

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