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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 2
21.
Screws jacks have multiple threads.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
In an ordinary bolt, the effect of the impulsive loads applied axially is concentrated on the cross-sectional area at the root of the threads.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The radial distance of a tooth from the pitch circle to the top of the tooth is called
dedendum
addendum
clearance
working depth
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
In a gear, having involute teeth, the normal to the involute is a tangent to the
pitch circle
base circle
addendum circle
dedendum circle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Which of the following statement is correct ?
The toughness of a material increases when it is heated.
The shear stress in a beam varies from zero at the neutral surface and maximum at the outer fibres.
The stress concentration in static loading is more serious in brittle materials and less serious in ductile materials.
The stress concentration in static loading is more serious in ductile materials and less serious in brittle materials.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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