Discussion :: Machine Design
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Which of the following statement is correct regarding power screws?
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A.
The efficiency of a self locking screw can not be more than 50% |
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B.
The efficiency of Acme (trapezoidal) thread is less than that of a square thread |
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C.
If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% |
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D.
(A) and (B) Only |
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Answer : Option D
Explanation :
No answer description available for this question.
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