The circular scale head of a screw gauge is divided into 200 divisions and move 1 mm ahead in one revolution. The diameter of the wire, when the pitch scale reading shows 6mm (when the wire is firmly held between the studes) and 45^(th) division on circular scale coincides with the reference line.

The circular scale head of a screw gauge is divided into 200 divisions

1.	The circular scale head of a screw gauge is divided into 200 divisions and move 1 mm ahead in one revolution. The diameter of the wire, when the pitch scale reading shows 6mm (when the wire is firmly held between the studes) and 45^(th) division on circular scale coincides with the reference line.
Answer» 6.220 MM 6.225 mm 6.175 mm 6.375 mm ANSWER :B