1
GATE ME 2005
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following is criterion in the design of hydrodynamic journal bearings?
A
Sommerfeld number
B
Rating life
C
Specific dynamic capacity
D
Rotation factor
2
GATE ME 1998
MCQ (Single Correct Answer)
+1
-0.3
The basic load rating of a ball bearing is
A
the maximum static radial load that can be applied without causing any plastic deformation of bearing components
B
the radial load at which $$90$$% of the group of apparently identical bearings run for one million revolutions before the first evidence of failure.
C
the maximum radial load that can be applied during operation without any plastic deformation of bearing components
D
a combination of radial and axial loads that can be applied without any plastic deformation
3
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
4
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
GATE ME Subjects
Turbo Machinery
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12