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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Q. Which of the following spring is used in mechanical wrist watch?

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Q. In helical bevel gearing, the axes of shafts are __________ and the teeth are curved.

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Q. When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the

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Q. Which one of the following loading is considered for the design of axles?

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Q. The shear stress in a beam varies from zero at the outer fibres to a maximum at the neutral surface.

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Q. A basic hole is one whose

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Q. In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways.

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Q. The major diameter of a screw thread is also known as core or root diameter.

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Q. The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm)

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Q. The property of a material which enables it to be drawn into wires with the application of a tensile force, is called

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Q. The helix angle for single helical gears ranges from

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Q. In order to withstand resistance to wear, the best profile of gear is

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