Q. In block brakes, the ratio of shoe width to wheel diameter is taken between

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Q. Oldham coupling is used to transmit power between two parallel shafts which are slightly offset.

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Q. A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is

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Q. When a machine member is subjected to torsion, the torsional shear stress set up in the member is

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Q. If the centre distance of the mating gears having involute teeth is increased, then the pressure angle

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Q. In cylindrical cams, the follower moves

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Q. The included angle for the acme thread is 29°.

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Q. The process extensively used for making bolts and nuts is

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Q. In a transverse fillet welded joint, the size of weld is __________ the throat of weld.

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Q. In the levers of first type, the mechanical advantage is __________ one.

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Q. The load placed at the top of the screw in a mechanical screw jack is prevented from rotation by providing a swivelling mechanism.

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Q. The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)

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Q. The shear stress at a point in a shaft subjected to a torque is

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Q. Two concentric helical springs used to provide greater spring force are wound is opposite direction.

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Q. Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is

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Q. The bearings of medium series have capacity __________ over the light series.

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Q. The antifriction bearings

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Q. In a partial journal bearing, the angle of contact of the bearing with the journal is

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Q. A shaft coupling should

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Q. A screw is said to be over hauling screw, if the

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