355) The fatigue stress concentration factor is defined as

the ratio of endurance limit with stress concentration to the endurance limit without stress concentration

the ratio of endurance limit without stress concentration to the endurance limit with stress concentration

the product of the endurance limits with and without stress concentration

all of the above

Answer is:

the ratio of endurance limit without stress concentration to the endurance limit with stress concentration

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356) A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, The junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cy

3.6 N/mm² compression

3.6 N/mm² tension

7.2 N/mm² compression

7.2 N/mm² tension

Answer is:

7.2 N/mm² compression

357) A connecting rod subjected to an axial load may buckle in the plane of motion of the connecting rod.

Correct

Incorrect

Answer is:

Correct

358) In a turnbuckle, if one of the rods has left hand threads, then the other rod will have

right hand threads

left hand threads

multiple threads

pointed threads

Answer is:

right hand threads

359) When the shaft rotates in anticlockwise direction at high speed in a bearing, it will

have contact at the bottom most of the bearing

move towards right of the bearing making metal to metal contact

move towards right of the bearing making no metal to metal contact

move towards left of the bearing making metal to metal contact

Answer is:

move towards right of the bearing making no metal to metal contact

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355) The fatigue stress concentration factor is defined as

the ratio of endurance limit without stress concentration to the endurance limit with stress concentration

Machine Design MCQ with Answers

Related Machine Design MCQ with Answers

356) A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, The junction radius is 60 mm and the junction pressure is 1.1 N/mm2. The maximum hoop stress developed in the inner cy

7.2 N/mm2 compression

357) A connecting rod subjected to an axial load may buckle in the plane of motion of the connecting rod.

Correct

358) In a turnbuckle, if one of the rods has left hand threads, then the other rod will have

right hand threads

359) When the shaft rotates in anticlockwise direction at high speed in a bearing, it will

move towards right of the bearing making no metal to metal contact

Machine Design MCQ with Answers

356) A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, The junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cy

7.2 N/mm² compression