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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 1
21.
The velocity of sliding __________ the distance of the point of contact from the pitch point.
is directly proportional to
is inversely proportional to
is equal to cos φ multiplied by
does not depend upon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
A column is known as a long column if the slenderness ratio is
40
50
70
100
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Circumferential joint in boilers is used to get the required length of a boiler.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The ball bearings are provided with a cage
to reduce friction
to facilitate slipping of balls
to prevent the lubricant from flowing out
to maintain the balls at a fixed distance apart
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be
square threads
acme threads
knuckle threads
buttress threads
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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