Recent questions in IES Objectives-2

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Two equal parts and the parts are then used in parallel the ratio of the spring rate to its initial value will be

asked Dec 21, 2017 in md by chandu (215k points)

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In a close – coiled helical spring the maximum shea stress occurs on the

asked Dec 21, 2017 in md by chandu (215k points)

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The stiffness of the second spring will be

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A closed – coil helical spring is subjected to a moment about its axis. The spring wire would experience a

asked Dec 21, 2017 in md by chandu (215k points)

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If each spring had ‘n’ coils then the ratio of their spring constants would be

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Wahl stress factor takes into account

asked Dec 21, 2017 in md by chandu (215k points)

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Stiffness of the resultant spring will be

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The stress induced in the wire material of the spring is

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The stiffness of the close – coiled helical spring subject to an axial load W is equal to

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The maximum shear stress in the spring the new condition will be

asked Dec 21, 2017 in md by chandu (215k points)

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In the calculation of induced shear stress in helical springs the Wahl’s correction factor is used to take care of

asked Dec 21, 2017 in md by chandu (215k points)

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In the calculation of induced shear stress in the helical springs the wahl correction factor is used to take of

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Cracks in helical springs used in Railway carriages usually start on the inner side of the coil because of

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The spring stiffness will be

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The modulus of elasticity of the wire be

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When two springs of equal lengths are arranged to form a cluster spring then which of the following

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The efficiency of the power screw neglecting collar friction is given by

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The efficiency of a power screw is maximum when the lead (helix) angle is

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The core diameter of the screw is 40 mm. The shear stress due to this torque in the power screw is

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Which of the following screw threads is adopted for power transmission in either direction?

asked Dec 21, 2017 in md by chandu (215k points)

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Recent questions in IES Objectives-2

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