Q. A screw will be self locking, if

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Q. The maximum shear stress theory is used for

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Q. In a crossed belt drive, the shafts are arranged parallel and rotate in the same directions.

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Q. In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as

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Q. Idler pulley is used for

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Q. The bell crank levers used in railway signalling arrangement are of third type levers.

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Q. When spring index increases, the value of Wahl's stress factor

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Q. The rolling contact bearings are known as

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Q. The backlash for spur gears depends upon

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Q. The size of a gear is usually specified by

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Q. The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be

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Q. The bearings of heavy series have capacity __________ over the medium series.

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Q. The rolling contact bearings as compared to sliding contact bearings have

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Q. The maximum normal stress theory is used for

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Q. When two non-intersecting and non-coplaner shafts are connected by gears, the arrangement is known as

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Q. When a nut is tightened by placing a washer below it, the bolt will be subjected to

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Q. A locking device extensively used in marine type connecting rod ends is a

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Q. The elasticity is the property of a material which enables it to

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Q. The surface finish factor for a mirror polished material is

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Q. For low and moderate speed engines, the cam follower should move with

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