Recent questions in MD

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self energizing of the drum

asked Sep 12, 2018 in MD by chandu (215k points)

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Match the following criteria of material failure, under biaxial stresses s1 and s2 and yield stress sy

asked Sep 12, 2018 in MD by chandu (215k points)

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From the standpoint of distortion energy (Von-Mises) criterion, which one of the following statements is tyre?

asked Sep 12, 2018 in MD by chandu (215k points)

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life of ball bearings in million revolutions

asked Sep 5, 2017 in MD by chandu (215k points)

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The ratio of the life of bearing P to the life of bearing Q is

asked Sep 5, 2017 in MD by chandu (215k points)

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The life of the bearing, in hours, when the load is doubled to 2F is

asked Sep 5, 2017 in MD by chandu (215k points)

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Its life in hours, if the load is increased to 20 kN, keeping all other conditions same, is

asked Sep 5, 2017 in MD by chandu (215k points)

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Match the following

asked Sep 5, 2017 in MD by chandu (215k points)

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The maximum radial load it can sustain to operate at 600 rev/min, for 2000 hours is

asked Sep 5, 2017 in MD by chandu (215k points)

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Which of the bearings given below SHOULD NOT be subjected to a thrust load?

asked Sep 5, 2017 in MD by chandu (215k points)

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The life of the bearing will be P ´ 106 revolutions, where P is equal to ___

asked Sep 5, 2017 in MD by chandu (215k points)

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The basic load rating of a ball bearing is

asked Sep 5, 2017 in MD by chandu (215k points)

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Spherical roller bearings are normally used

asked Sep 5, 2017 in MD by chandu (215k points)

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Match the rolling element bearings with the most appropriate loading condition.

asked Sep 5, 2017 in MD by chandu (215k points)

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If the load of a ball bearing is reduced to half, the life of the ball bearing will

asked Sep 5, 2017 in MD by chandu (215k points)

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What is the expected life of the same bearing for a similar load of 4900 N and speed of 2000 rpm

asked Sep 5, 2017 in MD by chandu (215k points)

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The pitch circle diameter (in mm) of the helical gear is __________

asked Sep 5, 2017 in MD by chandu (215k points)

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Assuming that only one pair of the teeth is in contact

asked Sep 5, 2017 in MD by chandu (215k points)

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The number of teeth on pinion is ____________

asked Sep 5, 2017 in MD by chandu (215k points)

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The tangential force transmitted (in N) is

asked Sep 5, 2017 in MD by chandu (215k points)

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