1
GATE ME 1997
MCQ (Single Correct Answer)
+1
-0.3
To restore stable operating condition in a hydrodynamic journal bearing, when it encounters higher magnitude loads.
A
oil viscosity is to be decreased
B
oil viscosity is to be increased
C
oil viscosity index is to be increased
D
oil viscosity index is to be decreased
2
GATE ME 1996
MCQ (Single Correct Answer)
+1
-0.3
In thick film hydrodynamic journal bearings, the coefficient of friction
A
increases with increase in load
B
is independent of load
C
decreases with increase in load
D
may increase or decrease with increase in load
3
GATE ME 1992
MCQ (Single Correct Answer)
+1
-0.3
Spherical roller bearings are normally used
A
for increased radial load
B
for increased thrust load
C
when there is less radial load
D
to compensate for angular misalignment
4
GATE ME 1992
MCQ (Single Correct Answer)
+1
-0.3
Starting friction is low in
A
hydrostatic lubrication
B
hydrodynamic lubrication
C
mixed (or semi-fluid) lubrication
D
boundary lubrication
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