Q. When a load W is suddenly applied to a bar of weight W1, the stress induced in the bar will increase with the increase in weight W1.

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Q. The endurance limit for a mirror polished material will be __________ as compared to unpolished material.

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Q. A sliding bearing which operates without any lubricant present, is called

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Q. The material used for brake lining should have __________ coefficient of friction.

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Q. A steel containing more than 0.8% carbon is known as eutectoid steel.

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Q. In leaf springs, the longest leaf is known as

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Q. The taper on cotter varies from

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Q. Which of the following screw thread is used for power transmission in one direction only.

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Q. When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be __________ the bearing modulus.

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Q. Screws jacks have multiple threads.

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Q. In an ordinary bolt, the effect of the impulsive loads applied axially is concentrated on the cross-sectional area at the root of the threads.

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Q. The radial distance of a tooth from the pitch circle to the top of the tooth is called

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Q. In a gear, having involute teeth, the normal to the involute is a tangent to the

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Q. Which of the following statement is correct ?

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Q. When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to

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Q. In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.

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Q. A connecting rod is designed as a

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Q. The cross-section of the arm of a bell crank lever is

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Q. The rocker arms in internal combustion engines are of first type levers.

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Q. A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be

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