Q. A wood-ruff key is

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Q. In a V-belt drive, the belt makes contact at the bottom of the groove of the pulley.

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Q. According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as

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Q. According to maximum normal stress theory, the maximum normal stress in the shaft is

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Q. When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be

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

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Q. A steel containing __________ 0.8% carbon is known as hypo-eutectoid steel.

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Q. A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is

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Q. The radial stress across the thickness of a thick cylinder is maximum at the inner surface and zero at the outer surface.

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Q. The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

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Q. The resilience of a bolt may be increased by

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Q. In worm, gears, pitch lead angle is

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Q. In worm gears, the pressure angle is half the angle between two inclined faces in axial plane.

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Q. For crank shaft bearings, the ratio of the length of the journal to its diameter is less than unity.

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Q. Lewis equation in gears is used to find the

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Q. In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that

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Q. All stresses produced in a belt are

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Q. An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by

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Q. The ratio of driving tensions in V-belt drives is __________ flat belt drives.

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Q. A shaft is designed on the basis of rigidity and stiffness.

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