Q. Which one of the following is a positive drive?

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Q. Two closely coiled helical springs with stiffnesses k1 and k2 respectively are connected in series. The stiffness of an equivalent spring is given by

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Q. The period during which the cam follower remains at rest, when cam moves, is known as

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Q. The flank of the tooth is the

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Q. The included angle for the British Association thread is

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Q. If a bearing is designated by the number 305, it means that the bearing is of

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Q. Tapered roller bearings can take

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Q. In order to remove internal stresses produced by hardening the steel, the process usually adopted is

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Q. A pressure vessel is said to be a thin shell, if the ratio of wall thickness to its diameter is equal to 1/10.

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Q. A bolt of uniform strength can be developed by

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Q. The ratio of endurance limit in shear to the endurance limit in flexure is

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Q. The lower deviation is the algebraic difference between the

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Q. When plates are fastened by a rivet, the holes in the plates should be made by punching and reaming.

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Q. When carbon in the cast iron is principally in the form of graphite, the cast iron will be of

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Q. A shoe brake is commonly used in railway trains.

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Q. A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

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Q. The design of pin of a rocker arm of an I.C. engine is based on

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Q. For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be

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Q. A wood-ruff key is

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Q. In a V-belt drive, the belt makes contact at the bottom of the groove of the pulley.

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