Grinding

The grinding operation is a

• Shaping operation

• Forming operation

• Surface finishing operation

• Dressing operation

In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is

• Cylindrical Grinder

• Internal Grinder

• Surface Grinder

• Tool and cutter grinder

Grinding wheel is specified as “A 46 K 5 B 17”. Grain size of a wheel will be

• Coarse

• Medium

• Fine

• Very Fine

Grinding wheel is specified as “C 8 K 5 B 17”. Grain size of a wheel will be

• Coarse

• Medium

• Fine

• Very Fine

Which of the following specified grinding wheel will have Aluminum oxide abrasive?

• Z 46 K 5 B 17

• C 600 K 5 B 17

• C 8 K 5 B 17

• A 80 K 5 B 17

Which of the following specified grinding wheel will have Zirconia abrasive?

• Z 46 K 5 B 17

• C 600 K 5 B 17

• C 8 K 5 B 17

• A 80 K 5 B 17

Tags

NGSS.MS-PS1-3

Which of the following specified grinding wheel will have Silicon carbide abrasive?

• Z 46 K 5 B 17

• C 600 K 5 B 17

• A 8 K 5 B 17

• A 80 K 5 B 17

Operation done to make periphery of grinding wheel concentric with its axis to recover its lost shape is known as

• Loading

• Glazing

• Dressing

• Trueing

Removing dull grains in order to make grinding wheel sharp is known as

• Loading

• Glazing

• Dressing

• Trueing

Grain number of grinding wheel is ___ to grain size.

• Directly proportional

• Inversely proportional

• Does not depend

• None of the mentioned