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Machinist
Machinist Set-2
Worms and Keys
3

Worms and Keys MCQ with Answers

3) Which surface of a worm gear is termed as throat?

Cylindrical

Flat

Concave

Convex

Answer is:

Concave

Worms and Keys MCQ with Answers

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Related Worms and Keys MCQ with Answers

4) What is 'Normal pitch' in worm wheel?

Axial pitch x sine of helix angle

Axial pitch x cosine of helix angle

Axial pitch x tan of helix angle

Axial pitch x cosec of helix angle

Answer is:

Axial pitch x cosine of helix angle

5) What is the formula to calculate outside diameter of worm wheel?

Throat radius - module

Throat radius + module

Throat diameter + module

Throat diameter -module

Answer is:

Throat diameter + module

6) Which gear drive is used to connect 'two non-parallel, not intersecting shafts' right angles to each other

Helical

Bevel

Spur

Worm and worm wheel

Answer is:

Worm and worm wheel

Which gear drive is used to connect 'two non-parallel, not intersecting shafts' right angles to each other

7) Calculate the 'Lead of worm' its module is 2 mm and single start.

6.28

2

3.14

1

Answer is:

6.28

Worms and Keys MCQ with Answers

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