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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 5
11.
Antifriction bearings are
thick lubricated bearings
plastic bearings
thin lubricated bearings
ball and roller bearings
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Stress concentration factor is defined as the ratio of
maximum stress to the endurance limit
nominal stress to the enurance limit
maximum stress to the nominal stress
nominal stress to the maximum stress
Answer: Option
Explanation:
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13.
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
bondability
embeddability
comformability
fatigue strength
Answer: Option
Explanation:
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14.
In the levers of __________ type, the mechanical advantage is less than one.
first
second
third
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
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: Option
Explanation:
No answer description is available. Let's discuss.
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