Q. A reed type tachometer use the principle of

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Q. The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load)

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Q. When the sleeve of a Porter governor moves upwards, the governor speed

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Q. The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose)

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Q. A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard ?

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Q. A body will begin to move down an inclined plane, if the angle of inclination of the plane is __________ the angle of friction.

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Q. The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base)

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Q. The height of a Watt's governor is

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Q. For an isochronous Hartnell governor (where r1 and r2 = Maximum and minimum radius of rotation of balls respectively, S1 and S2 = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve)

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Q. Which of the following statement is correct ?

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Q. When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be

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Q. When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the __________ pulley must be taken into consideration.

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Q. The maximum frictional force, which comes into play, when an body just begins to slide over the surface of the other body, is known as

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Q. In a four stroke I.C. engine, the turning moment during the compression stroke is

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Q. The module is the reciprocal of diametral pitch.

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Q. If the controlling force line for a spring controlled governor when produced intersects the Y-axis at the origin, then the governor is said to be

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Q. In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular acceleration of the connecting rod is given by

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Q. If the controlling force line for a spring controlled governor when produced intersects the Y-axis above the origin, then the governor is said to be unstable.

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Q. The inversion of a mechanism is

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Q. The coefficient of fluctuation of energy is the ratio of maximum energy to the minimum energy.

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