DRILLING - Quiz

1) Which reamer will have a long taper lead?

Hand reamer Socket reamer Machine reamer Helical fluted reamer

2) What is the function of pilot in the hand reamer with pilot?

Keep size of hole accurate Removes the burr from the hole Provide smooth functioning of reamer Keep reamer concentric with hole to be reamed

3) Which decides the point angle of drill?

Drill material Job material Cutting speed Size of the drill

4) What is the drill size for reaming a 10 mm hole, if under size is 0.2mm and over size is 0.05mm?

8.5 mm 9.75 mm 10.00 mm 10.25 mm

5) Which indicates the strength of bond in grinding wheel?

Grid Grade Structure Grain size