The function of AC dynamo is

Which one of the following equation is used to convert observed time into normal time in time study ?

Ratio of tensile strengths of woven and non-woven fabrics of GSM same would be

The circular weft knitting machine that rotates in clockwise direction demands 'z' twist yarn that 's' twist yarn because 'z' twist yarn

The Pressley index is the ratio between

The woven fabric air permeability is expressed in