Q. A sliding bearing in which the working surfaces are completely separated from each other by lubricant is called zero film bearing.

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Q. Screws used for power transmission should have

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Q. The number of rivets in shear shall be equal to the number of rivets in crushing.

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Q. When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as

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Q. The toughness of a material __________ when it is heated.

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Q. The number of slots in a 25 mm castle nut is

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

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Q. The application of third type levers is found in

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Q. For unequal width of butt straps, the thickness of butt straps are

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Q. A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called

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Q. Slenderness ratio is the ratio of

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Q. A crankshaft is a __________ shaft.

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Q. According to Indian standard specifications, 100 H6/g5 means that the

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Q. A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress)

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Q. In second type of levers,

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Q. Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.

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Q. In a flange coupling, the flanges are coupled together by means of

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Q. A transmission shaft includes

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Q. According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length)

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Q. Which of the following material has the maximum ductility?

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