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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Q. Shaft coupling is used in machinery to

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Q. Oldham coupling is used to connect two shafts

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Q. The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to

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Q. The face of the tooth is the

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Q. In case of pressure vessels having open ends, the fluid pressure induces

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Q. The set screws are used to prevent relative motion between the two parts.

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Q. The face angle of a bevel gear is equal to

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Q. Two shafts will have equal strength, if

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Q. The size of a cam depends upon

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Q. A turn buckle is used to connect two round rods subjected to tensile loading and requiring subsequent adjustment for tightening or loosening.

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Q. The plasticity is the property of a material which enables it to

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Q. An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load W. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'.

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Q. When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the

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