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ME Set-1
Machine Design
156

Machine Design MCQ with Answers

156) In worm gears, the pressure angle is half the angle between two inclined faces in axial plane.

Correct

Incorrect

Answer is:

Correct

Machine Design MCQ with Answers

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Related Machine Design MCQ with Answers

157) For crank shaft bearings, the ratio of the length of the journal to its diameter is less than unity.

Correct

Incorrect

Answer is:

Correct

158) Lewis equation in gears is used to find the

tensile stress in bending

shear stress

compressive stress in bending

fatigue stress

Answer is:

compressive stress in bending

159) In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that

the effect of curvature of the cylinder wall is neglected

the tensile stresses are uniformly distributed over the section of the walls

the effect of the restraining action of the heads at the end of the pressure vessel is neglected

all of the above

Answer is:

all of the above

160) All stresses produced in a belt are

compressive stresses

tensile stresses

both tensile and compressive stresses

shear stresses

Answer is:

tensile stresses

Machine Design MCQ with Answers

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