1
GATE ME 1997
MCQ (Single Correct Answer)
+1
-0.3
To make a worm drive reversible, it is necessary to increase
A
centre distance
B
worm diameter factor
C
number of starts
D
reduction ratio
2
GATE ME 1997
Subjective
+2
-0
Match the following
List - $${\rm I}$$
(a)$$\,\,\,\,\,$$ Automobile wheel mounting on axle
(b)$$\,\,\,\,\,$$ High speed grinding spindle
(c)$$\,\,\,\,\,$$ $${\rm IC}$$ - Engine connecting rod
(d)$$\,\,\,\,\,$$ Leaf spring eye mounting

List - $${\rm II}$$
1.$$\,\,\,\,\,$$ Magneto bearing
2.$$\,\,\,\,\,$$ Angular contact bearing
3.$$\,\,\,\,\,$$ Taper roller bearing
4.$$\,\,\,\,\,$$ Hydrodynamic journal bearing
5.$$\,\,\,\,\,$$ Sintered metal bearing
6.$$\,\,\,\,\,$$ Teflon/Nylon bush

3
GATE ME 1997
MCQ (Single Correct Answer)
+2
-0.6
The dynamic load capacity of $$6306$$ bearing is $$22KN.$$ The maximum radial load it can sustain to operate at $$600$$ $$rev/min,$$ for $$2000$$ hours is
A
$$4.16$$ $$kN$$
B
$$3.60$$ $$kN$$
C
$$6.25$$ $$kN$$
D
$$5.29$$ $$kN$$
4
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
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