GATE ME 1997 | Design of Bearings Question 16 | Machine Design

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GATE ME 1997

MCQ (Single Correct Answer)

-0.3

To restore stable operating condition in a hydrodynamic journal bearing, when it encounters higher magnitude loads.

oil viscosity is to be decreased

oil viscosity is to be increased

oil viscosity index is to be increased

oil viscosity index is to be decreased

GATE ME 1996

MCQ (Single Correct Answer)

-0.3

In thick film hydrodynamic journal bearings, the coefficient of friction

increases with increase in load

is independent of load

decreases with increase in load

may increase or decrease with increase in load

GATE ME 1992

MCQ (Single Correct Answer)

-0.3

Starting friction is low in

hydrostatic lubrication

hydrodynamic lubrication

mixed (or semi-fluid) lubrication

boundary lubrication

GATE ME 1992

MCQ (Single Correct Answer)

-0.3

Spherical roller bearings are normally used

for increased radial load

for increased thrust load

when there is less radial load

to compensate for angular misalignment

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