Determine the correctness or otherwise of the following Assertion [a] and the Reason [r] [a]: The short term mass irregularity of rotor yarn is less than that...

A sliver of 4.2 kilotex is fed in a rotor spinning machine with opening zone draft of 1400. The draft in the transport duct is 5 and the sliding draft on the ro...

A 30 tex open-end rotor yarn having 650 twist per meter is produced using 33 mm rotor diameter and 120,000 rotor rpm. The rotational speed of the peel-off point...