Machine Design MCQ Questions & Answers | Mechanical Engineering Page-8 section-1

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36.
The longitudinal joint in boilers is used to get the required

A. Length of boiler

B. Diameter of boiler

C. Length and diameter of boiler

D. Efficiency of boiler

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37.
According to Indian standard specifications, 100 H6/g5 means that

A. Tolerance grade for the hole is 6 and for the shaft is 5

B. Tolerance grade for the shaft is 6 and for the hole is 5

C. Tolerance grade for the shaft is 4 to 8 and for the hole is 3 to 7

D. Tolerance grade for the hole is 4 to 8 and for the shaft is 3 to 7

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38.
The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)

A. d/8

B. d/6

C. d/4

D. d/2

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39.
The suitable material for belt used in flour mill is

A. Leather

B. Rubber

C. Canvas or cotton duck

D. Balata gum

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40.
When a machine member is subjected to torsion, the torsional shear stress set up in the member is

A. Zero at both the centroidal axis and outer surface of the member

B. Maximum at both the centroidal axis and outer surface of the member

C. Zero at the centroidal axis and maximum at the outer surface of the member

D. Maximum at the centroidal axis and zero at the outer surface of the member

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Machine Design MCQ Questions & Answers | Mechanical Engineering

36. The longitudinal joint in boilers is used to get the required

Answer & Solution

37. According to Indian standard specifications, 100 H6/g5 means that

Answer & Solution

38. The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)

Answer & Solution

39. The suitable material for belt used in flour mill is

Answer & Solution

40. When a machine member is subjected to torsion, the torsional shear stress set up in the member is

Answer & Solution

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36.
The longitudinal joint in boilers is used to get the required

37.
According to Indian standard specifications, 100 H6/g5 means that

38.
The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)

39.
The suitable material for belt used in flour mill is

40.
When a machine member is subjected to torsion, the torsional shear stress set up in the member is