Graduate Pharmacy Aptitude Test (GPAT) 2013 Solved Paper

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Question : 77 of 125

Marks: +1, -0

How much can be the working revolution per minute (RPM) of the ball mill

23-28 "D where D means the diameter of jar
Two times more than the critical revolution per minute
42.3 "D (D=diameter of the jar)
The average of critical RPM and the optional RPM

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