Design Engineer Question:
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Which of the following statement is wrong ?

A. The power transmitted by V-belts is less than flat belts for the same coefficient of friction, arc of contact and allowable tension in the belts
B. The V-belt drive is used with large centre distance
C. The V-belt may be operated in either direction with tight side of the belt at the top or bottom
D. The ratio of driving tensions in V-belt drive is more than flat belt drives


Option B

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A sliding bearing in which the working surfaces are completely separated from each other by lubricant is called zero film bearing.

A. True B. False
Slenderness ratio is the ratio of

A. maximum size of column to minimum size of column
B. width of column to depth of column
C. effective length of column to least radius of gyration of the column
D. effective length of column to width of column