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ESE 2021 ME Technical Quiz || Gears and Gear Trains

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Question 1

Two involute gears in mesh have a module of 7.5 mm and pressure angle of 200. The gear has 60 and pinion has 32 teeth. The ratio of sliding to the rolling velocity at the pitch point, considering addenda on pinion and gear wheel as one module, will be

Question 2

The module of a gear 1(10 teeth) is 5 mm, meshing with gear 2 has 20 teeth. Find the distance between centers of the mating gears?

Question 3

When large gear reductions are needed _________ gears are used.

Question 4

A gear arrangement is shown below. The degree of freedom of the arrangement is

Question 5

Two gears are said to have a conjugate motion if __________.
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Jun 27ESE & GATE ME