Mechanical Engineering - Machine Design

1.
The sleeve or muff coupling is designed as a
dun cylinder
thick cylinder
solid shaft
hollow shaft
Answer: Option
Explanation:
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2.
A sliding bearing in which the working surfaces are completely separated from each other by lubricant is called zero film bearing.
True
False
Answer: Option
Explanation:
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3.
Screws used for power transmission should have
Low efficiency
high efficiency
very fine threads
strong teeth
Answer: Option
Explanation:
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4.
The number of rivets in shear shall be equal to the number of rivets in crushing.
Correct
Incorrect
Answer: Option
Explanation:
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5.
When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as
angular bevel gears
crown bevel gears
internal bevel gears
mitre gears
Answer: Option
Explanation:
No answer description is available. Let's discuss.