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Engineering
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ME Set-1
Machine Design
68

Machine Design MCQ with Answers

68) In an ordinary bolt, the effect of the impulsive loads applied axially is concentrated on the cross-sectional area at the root of the threads.

Yes

No

Unknown

None

Answer is:

Yes

Machine Design MCQ with Answers

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Related Machine Design MCQ with Answers

69) The radial distance of a tooth from the pitch circle to the top of the tooth is called

dedendum

addendum

clearance

working depth

Answer is:

addendum

Explanation:

The radial distance of a tooth from the pitch circle to the top of the tooth is called addendum.

The radial distance of a tooth from the pitch circle to the top of the tooth is called

70) In a gear, having involute teeth, the normal to the involute is a tangent to the

pitch circle

base circle

addendum circle

dedendum circle

Answer is:

base circle

71) Which of the following statement is correct ?

The toughness of a material increases when it is heated.

The shear stress in a beam varies from zero at the neutral surface and maximum at the outer fibres.

The stress concentration in static loading is more serious in brittle materials and less serious in ductile materials.

The stress concentration in static loading is more serious in ductile materials and less serious in brittle materials.

Answer is:

The stress concentration in static loading is more serious in brittle materials and less serious in ductile materials.

72) The metal suitable for bearings subjected to light loads is

silicon bronze

white metal

monel metal

phosphor bronze

Answer is:

phosphor bronze

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