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Concept drill

gears

GATE Mechanical Engineering · Theory of Machines - Gears · 1988-2023

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2023 Q29

Two meshing spur gears 1 and 2 with diametral pitch of 8 teeth per mm and an angular velocity ratio |ω₂|/|ω₁| = 1/4, have their centers 30 mm apart. The number of teeth on the driv...

medium
2014 PYQ

Which one of the following is used to convert a rotational motion into a translational motion?

easyanswer key
2010 PYQ

Tooth interference in an external involute spur gear pair can be reduced by

easyanswer key
2010 PYQ

Tooth interference in an external involute spur gear pair can be reduced by

easyanswer key
2008 PYQ

Match the type of gears with their most appropriate description Type of gear (P)$$\,\,\,\,\,$$ Helical (Q)$$\,\,\,\,\,$$ Spiral Bevel (R)$$\,\,\,\,\,$$ Hypoid (S)$$\,\,\,\,\,$$ Rac...

easyanswer key
2007 PYQ

A gear set has a pinion with $$20$$ teeth and a gear with $$40$$ teeth. The pinion runs at $$30rev/s$$ and transmits a power of $$20KW$$. The teeth are on the $${20^ \circ }$$ full...

easyanswer key
2007 PYQ

A gear set has a pinion with $$20$$ teeth and a gear with $$40$$ teeth. The pinion runs at $$30rev/s$$ and transmits a power of $$20KW$$. The teeth are on the $${20^ \circ }$$ full...

mediumanswer key
2006 PYQ

Twenty degree full depth involute profiled $$19$$-tooth pinion and $$37$$-tooth gear are in mesh. If the module is $$5mm,$$ the center distance between the gear pair will be

easyanswer key
2002 PYQ

The minimum number of teeth on the pinion to operate without interference in standard full height involute teeth gear mechanism with $${20^ \circ }$$ pressure angle is

easyanswer key
1995 PYQ

Match the following: List-$${\rm I}$$ (A) Worm gears (B) Cross helical gears (C) Bevel gears (D) Spur gears List-$${\rm I}{\rm I}$$ 1. Parallel shafts 2. Non-parallel, intersecting...

easy
1995 PYQ

Interference in a pair of gears is avoided, if the addendum circles of both the gears intersect common tangent to the base circles with in the points of tangency.

easyanswer key
1991 PYQ

For a pinion of $$15$$ teeth, under cutting ____________( increases / decreases) with _______________(increases / decreases ) of pressure angle.

easy
1988 PYQ

For full depth of involute spur gears, minimum number of teeth of pinion to avoid interference depends upon

easyanswer key