Q. Teflon is used for bearings because of

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Q. In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

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Q. The acme threads are usually found on

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Q. A parallel sunk key, made of steel, is equally strong in shearing and crushing.

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Q. In designing a key, it is assumed that the distribution of forces along the length of key

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Q. In a belt drive, the velocity ratio is the inverse ratio of the diameters of driving and driven pulleys.

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Q. In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.

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Q. The bearing characteristic number in a hydrodynamic bearing depends upon

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Q. A jam nut is a locking device in which

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Q. The difference between the upper limit and lower limit of a dimension is called

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Q. The algebraic difference between the actual size and the corresponding basic size is called actual deviation.

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Q. The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils)

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Q. The average shear stress in the hollow shaft is smaller than the average shear stress in the solid shaft.

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Q. The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

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Q. The design of shafts made of brittle materials is based on

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Q. A locking device extensively used in automobile industry is a

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Q. A key way lowers

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Q. A tapered key which fits in a key way in the hub and is flat on the shaft, is known as

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Q. The included angle for the V-belt is usually

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Q. In static loading, stress concentration is more serious in

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