Q. A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as hollow saddle key.

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Q. In levers, leverage is the ratio of

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Q. The diameter of washer is generally taken bigger than the nut size.

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Q. Which of the following statement is wrong?

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Q. If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value?

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Q. The velocity factor for precision metallic gears cut with high accuracy and operating at velocities upto 20 m/s is equal to

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Q. In a bolt, the plane of shear should be across the threaded portion of the shank.

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Q. When a metal or alloy is cold worked,

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Q. A leaf spring in automobiles is used

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Q. According to I.B.R., the factor of safety of riveted joint should not be less than

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Q. Which of the following welded joint is designed for shear strength ?

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Q. In designing a connecting rod, it is considered like __________ for buckling about X-axis.

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Q. The material commonly used for crane hooks is

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Q. The eye bolts are used for

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Q. The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to

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Q. A special case of ductility which permits materials to be rolled or hammered into thin sheets, is called

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Q. Crowning on pulley helps

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Q. The temperature required for full annealing in hyper-eutectoid steel is

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Q. The effect of key ways on a shaft is to reduce its load carrying capacity and to increase its torsional rigidity.

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Q. The efficiency of a riveted joint is equal to

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