205) Stress concentration factor is defined as the ratio of

Answer is:

maximum stress to the nominal stress

Machine Design MCQ with Answers

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206) The property of a bearing material which has the ability to accomodate shaft deflections and bearing inaccuracies by plastic deformation without excessive wear and heating, is known as

Answer is:

comformability

207) In the levers of __________ type, the mechanical advantage is less than one.

Answer is:

third

In the levers of __________ type, the mechanical advantage is less than one.

208) A hollow saddle key is

a taper key which fits half in the key way of hub and half in the key way of shaft

a taper key which fits in a key way of the hub and is flat on the shaft

a taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft

provided in pairs at right angles and each key is to withstand torsion in one direction only

Answer is:

a taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft

209) A special case of ductility which permits materials to be rolled or hammered into thin sheets, is called

Answer is:

malleability

Explanation:

Malleability is a property of a material enabling it to be drawn into thin sheets.
Ductility is a property of a material enabling it to be drawn into wires.

A special case of ductility which permits materials to be rolled or hammered into thin sheets, is called

Machine Design MCQ with Answers

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205) Stress concentration factor is defined as the ratio of

maximum stress to the nominal stress

Machine Design MCQ with Answers

Related Machine Design MCQ with Answers

206) The property of a bearing material which has the ability to accomodate shaft deflections and bearing inaccuracies by plastic deformation without excessive wear and heating, is known as

comformability

207) In the levers of __________ type, the mechanical advantage is less than one.

third

208) A hollow saddle key is

a taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft

209) A special case of ductility which permits materials to be rolled or hammered into thin sheets, is called

malleability

Machine Design MCQ with Answers