Related Questions

Aluminium oxide (an abrasive) is used for grinding
A Ceramics
B High speed steel
C Cemented carbide
D None of these
The silicon carbide abrasive is chiefly used for grinding
A Cemented carbide
B Ceramic
C Cast iron
D All of these
Grinding wheel made of silicon carbide is most suitable for grinding materials of low tensile strength (e.g; tough bronze). Grinding is a __________ operation.
A Turning
B Dressing
C Forming
D Surface finishing
For fast removal of materials during grinding, a _________ grinding wheel is used.
A Course grained
B Fine grained
C Medium grained
D None of these
A fine grained grinding wheel should not be used for grinding __________ materials.
A Hard
B Brittle
C Soft & ductile
D None of these
The size of abrasive grain required in a grinding wheel depends upon the
A Amount of material to be removed
B Hardness of material being ground
C Finish desired
D All of these
The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive and bond, is called
A Truing
B Dressing
C Facing
D Clearing
A grinding wheel is said to be of _________ if the abrasive grains can be easily dislodged.
A Soft grade
B Medium grade
C Hard grade
D None of these
A grinding wheel is said to be of _________ if it holds the abrasive grains more securely.
A Soft grade
B Medium grade
C Hard grade
D None of these
The abrasive recommended for grinding materials of high tensile strength is
A Silicon carbide
B Aluminium oxide
C Sand stone
D Diamond

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