62) The commonly used standard length of hacksaw blade is

100 mm

150 mm

200 mm

250 mm

Answer is:

250 mm

Explanation:

A hacksaw blade is made of either low alloy steel (LA) or high speed steel (HSS), and is available in standard lengths of 250 mm and 300mm.

R.P.M

Cutting speed

Feed

Machine speed

Answer is:

Explanation:

Feed is the distance a drill advances into the work in one complete rotation.

Sleeve

Socket

Drill chuck

Drill drift

Answer is:

Explanation:

Drill chuck is used to hold the straight shank drill having diameter less than 12 mm.

Finish required

Material of tool (drill)

Material to be drilled

All the above

Answer is:

Material of the job

Material of the reamer

Diameter (size) of the reamer

Rigidity of the fixture

Answer is: