Test: Toothed Gearing - 1

# Test: Toothed Gearing - 1

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## 10 Questions MCQ Test Theory of Machines (TOM) | Test: Toothed Gearing - 1

Test: Toothed Gearing - 1 for Mechanical Engineering 2022 is part of Theory of Machines (TOM) preparation. The Test: Toothed Gearing - 1 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Toothed Gearing - 1 MCQs are made for Mechanical Engineering 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Toothed Gearing - 1 below.
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Test: Toothed Gearing - 1 - Question 1

### For an involute gear, the ratio, pitch circle radius/ base circle radius is (φ is the pressure angle)

Detailed Solution for Test: Toothed Gearing - 1 - Question 1

Test: Toothed Gearing - 1 - Question 2

### Th e tooth profile most commonly used in gear drive for power transmission is

Detailed Solution for Test: Toothed Gearing - 1 - Question 2

Due to ease of standadization, manufacturing and low cost of production, the use of involute te e th has becom e universal by e n tire ly superseding the cycloidal teeth shape.

Test: Toothed Gearing - 1 - Question 3

### The size of gears is usually specified by

Test: Toothed Gearing - 1 - Question 4

The contact ratio of gears is always

Detailed Solution for Test: Toothed Gearing - 1 - Question 4

For continuous transmission of motion, at least one tooth of one wheel must be in contact with another tooth of second wheel. Therefore, the contact ratio must be greater than unity.

Test: Toothed Gearing - 1 - Question 5

If angle of approach, pitch angle and angle of recess is given by 11°, 20° and 15° respectively, what is the contact ratio of gear?

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Test: Toothed Gearing - 1 - Question 6

The gears are interchangeable if they have

Test: Toothed Gearing - 1 - Question 7

If a reduction ratio of about 50 is required in a gear drive then the most appropriate gearing would be

Test: Toothed Gearing - 1 - Question 8

The pressure angle of a spur gear normally varies from

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Test: Toothed Gearing - 1 - Question 9

Select the positive drive amongst the following:

Detailed Solution for Test: Toothed Gearing - 1 - Question 9

Gear drives use no intermediate link or connector and transmit the motion by direct contact. Hence, gears ensure definite velocity ratio and provide a positive drive.

Test: Toothed Gearing - 1 - Question 10

The motion transmitted between the teeth of two spur gears is generally

Detailed Solution for Test: Toothed Gearing - 1 - Question 10

Pair of teeth is at pitch point have pure rolling action. At away other position, they have sliding as well as rolling velocity.

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## Theory of Machines (TOM)

95 videos|43 docs|28 tests