GATE ME

Design of Spur Gears

Machine Design

(Past Years Questions)

Marks 1

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Tooth interference in an external involute spur gear pair can be reduced by
GATE ME 2010
Two mating spur gears have $$40$$ and $$120$$ teeth respectively. The pinion rotates at $$1200$$ $$rpm$$ and transmits a...
GATE ME 2004
Large speed reductions (greater than $$20$$) in one stage of gear train are possible through
GATE ME 2002
The minimum number of teeth on the pinion to operate without interference in standard full height involute teeth gear me...
GATE ME 2002
A $$1.5$$ $$kW$$ motor is running at $$1440$$ rev/min. It is to be connected to a stirrer running at $$36$$ rev/min. the...
GATE ME 2000
To make a worm drive reversible, it is necessary to increase
GATE ME 1997
In spur gears, the circle on which the involute is generated is called the
GATE ME 1996
Interference in a pair of gears is avoided, if the addendum circles of both the gears intersect common tangent to the b...
GATE ME 1995
Match the following: List-$${\rm I}$$ (A) Worm gears (B) Cross helical gears (C) Bevel gears (D) Spur gears List-$${\rm ...
GATE ME 1995
For a pinion of $$15$$ teeth, under cutting ____________( increases / decreases) with _______________(increases / decrea...
GATE ME 1991
Modern gear both profile is given involute shape because
GATE ME 1989
For full depth of involute spur gears, minimum number of teeth of pinion to avoid interference depends upon
GATE ME 1988

Marks 2

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A spur pinion of pitch diameter $$50$$ $$mm$$ rotates at $$200$$ $$rad/s$$ and transmits $$3$$ $$kW$$ power. The pressur...
GATE ME 2014 Set 2
A pair of spur gears with module $$5$$ $$mm$$ and a center distance of $$450mm$$ is used for a speed reduction of $$5:1$...
GATE ME 2014 Set 1
A $${20^ \circ }$$ full depth involute spur pinion of $$4mm$$ module and $$21$$ teeth is to transmit $$15kW$$ at $$960rp...
GATE ME 2009
A $${20^ \circ }$$ full depth involute spur pinion of $$4mm$$ module and $$21$$ teeth is to transmit $$15kW$$ at $$960rp...
GATE ME 2009
A spur gate has a module of $$3mm,$$ number of teeth $$16,$$ a face width of $$36mm$$ and a pressure angle of $${20^ \ci...
GATE ME 2008
Match the type of gears with their most appropriate description Type of gear (P)$$\,\,\,\,\,$$ Helical (Q)$$\,\,\,\,\,$...
GATE ME 2008
One tooth of gear having $$4$$ module and $$32$$ teeth is shown in the figure. Assume that the gear tooth and the corres...
GATE ME 2008
A gear set has a pinion with $$20$$ teeth and a gear with $$40$$ teeth. The pinion runs at $$30rev/s$$ and transmits a p...
GATE ME 2007
A gear set has a pinion with $$20$$ teeth and a gear with $$40$$ teeth. The pinion runs at $$30rev/s$$ and transmits a p...
GATE ME 2007
A gear set has a pinion with $$20$$ teeth and a gear with $$40$$ teeth. The pinion runs at $$30rev/s$$ and transmits a p...
GATE ME 2007
Twenty degree full depth involute profiled $$19$$-tooth pinion and $$37$$-tooth gear are in mesh. If the module is $$5mm...
GATE ME 2006
A compacting machine shown in the figure below is used to create a desired thrust force by using a rack and pinion arran...
GATE ME 2004
A compacting machine shown in the figure below is used to create a desired thrust force by using a rack and pinion arran...
GATE ME 2004
In order to test the efficiency of reducer gear train $$1kW$$ input was given at the input end at a speed of $$1440$$ $$...
GATE ME 1989

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