1
GATE ME 2009
MCQ (Single Correct Answer)
+2
-0.6
A $${20^ \circ }$$ full depth involute spur pinion of $$4mm$$ module and $$21$$ teeth is to transmit $$15kW$$ at $$960rpm.$$ Its face width is $$25mm.$$

The tangential force transmitted (in N) is

A
$$3552$$
B
$$2611$$
C
$$1776$$
D
$$1305$$
2
GATE ME 2008
MCQ (Single Correct Answer)
+2
-0.6
A spur gate has a module of $$3mm,$$ number of teeth $$16,$$ a face width of $$36mm$$ and a pressure angle of $${20^ \circ }$$. It is transmitting a power of $$3KW$$ at $$20rev/s.$$ Taking a velocity factor of $$1.5$$ and a form factor of $$0.3,$$ the stress in the gear tooth is about
A
$$32MPa$$
B
$$46MPa$$
C
$$58MPa$$
D
$$70MPa$$
3
GATE ME 2008
MCQ (Single Correct Answer)
+2
-0.6
Match the type of gears with their most appropriate description

Type of gear
(P)$$\,\,\,\,\,$$ Helical
(Q)$$\,\,\,\,\,$$ Spiral Bevel
(R)$$\,\,\,\,\,$$ Hypoid
(S)$$\,\,\,\,\,$$ Rack and pinion

Description
1.$$\,\,\,\,\,$$ Axes non parallel a and non intersecting
2$$\,\,\,\,\,$$. Axes parallel and teeth are inclined to the axis
3.$$\,\,\,\,\,$$ Axes parallel and teeth are parallel to the axis
4.$$\,\,\,\,\,$$ Axes are perpendicular and intersecting and teeth are inclined to the axis
5.$$\,\,\,\,\,$$ Axes are perpendicular and used for large speed reduction
6.$$\,\,\,\,\,$$ Axes parallel and one of the gears has infinite radius

A
$$P - 2,\,Q - 4,\,R - 1,\,S - 6$$
B
$$P - 1,\,Q - 4,\,R - 5,\,S - 6$$
C
$$P - 2,\,Q - 6,\,R - 4,\,S - 2$$
D
$$P - 6,\,Q - 3,\,R - 1,\,S - 5$$
4
GATE ME 2008
MCQ (Single Correct Answer)
+2
-0.6
One tooth of gear having $$4$$ module and $$32$$ teeth is shown in the figure. Assume that the gear tooth and the corresponding tooth space make equal intercepts on the pitch circumference.

The dimensions $$' a '$$ and $$' b '$$ respectively, are closest to

A
$$6.08$$ $$mm,$$ $$4$$ $$mm$$
B
$$6.48$$ $$mm,$$ $$4.2$$ $$mm$$
C
$$6.28$$ $$mm,$$ $$4.3$$ $$mm$$
D
$$6.28$$ $$mm,$$ $$4.1$$ $$mm$$
GATE ME Subjects
Engineering Mechanics
Strength of Materials
Theory of Machines
Engineering Mathematics
Machine Design
Fluid Mechanics
Turbo Machinery
Heat Transfer
Thermodynamics
Production Engineering
Industrial Engineering
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