Recent questions in IES Objectives-2

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In steady state rotating condition the journal inside a hydrodynamic journal bearing remains floating on the oil film.

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Consider the following statements about antifriction bearings:

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In Three ball bearings identified as

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Match list- I (key/spline) with List – II (Application)

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Average values of effective coefficient of friction for bearings are described below:

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Average values of effective coefficient of friction for bearings are described below.

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For a journal rotating in a bearing under film lubrication conditions, the frictional resistance is

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What should be the diameter of the solid shaft?

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Radius of friction circle for a journal bearing depends upon:

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Satisfactory hydrodynamic film in a journal bearing is formed men

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Match List – I (Type of Anti – friction bearing) with List – II (Specific use)

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Tapered roller bearings must be used in heavy duty worm gear speed reducers.

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Match list – I (Type of Anti-friction Bearing) with list –II (Specific use)

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Which sunk key made the form of a segment of a circular disc of uniform thickness, known as?

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In anti-friction bearings, the frictional resistance is very low as the shaft held by

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In sliding contact bearings, a positive pressure can be built up and a load supported by a fluid only by the use of a

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If the load on a ball bearing is halved, its life

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What is the main advantage of hydro-dynamic bearing over roller bearings?

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Match List – (Type of gear failure) with List – II (Reasons)

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What is the length of the key?

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Recent questions in IES Objectives-2

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