Q. Multiple threads are used to secure

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Q. The fatigue limit of a material is greatly decreased by poor surface conditions.

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Q. The value of Lewis form factor used in design of gears is

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Q. The maximum bending stress in a curved beam having symmetrical section always occur at the

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Q. In radial bearings, the load acts __________ to the axis of rotation.

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

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Q. Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation?

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Q. Which of the following cotter joint will be used to connect strap end of a connecting rod ?

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Q. When the screw in a mechanical screw jack rotates, the load kept on the top of it moves

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Q. Which of the following bearing is preferred for oscillating conditions?

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Q. A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt, is the tensile stress for the shell material, then thickness of shell is equal to

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Q. A quarter turn belt drive is used when the shafts are arranged at right angles and rotate in one definite direction.

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Q. According to Indian standard specifications, a plain carbon steel designated by 40C8 contains carbon

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Q. The machine screws are

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Q. A bolt is designed on the basis of __________ with a large factor of safety.

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Q. When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be

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Q. In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to

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Q. Which of the following statement is wrong ?

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Q. The draw of cotter should not be more than

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Q. The bolts of smaller diameter than M16 are not permitted in making fluid tight joints.

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