Q. The frictional torque transmitted in a flat pivot bearing, considering uniform pressure, is (where μ = Coefficient of friction, W = Load over the bearing, and R = Radius of bearing surface)

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

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Q. A kinematic chain is known as a mechanism when

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Q. When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side.

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Q. There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is

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Q. The velocity of a body moving with simple harmonic motion is __________ at the mean position.

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Q. A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2 L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will

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Q. If the pressure angle is __________ , a reciprocating follower will jam in its bearings.

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Q. The D-slide valve is also known as

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Q. When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a

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Q. V-belts are usually used for

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Q. Sensitiveness of the governor is defined as the ratio of the

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Q. The two parallel and coplaner shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as

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Q. The relative velocity of B with respect to A in a rigid link AB is

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Q. In a pantograph, all the pairs are

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Q. The equation of free vibrations of a system is , Its natural frequency is

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Q. When the primary direct crank of a reciprocating engine makes an angle of θ with the line of stroke, then the secondary direct crank will make an angle of __________ with the line of stroke.

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Q. The frequency of oscillation of a compound pendulum is (where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.)

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Q. The relation between number of links (l) and number of joints (j) in a kinematic chain is

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Q. Two heavy rotating masses are connected by shafts of lengths l1, l2 and l3 and the corresponding diameters are d1, d2 and d3. This system is reduced to a torsionally equivalent system having uniform diameter d = d1 of the shaft. The equivalent length of the shaft is

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