Related Questions

For grinding of softer materials, the grinding wheel should have __________ grain size.
A Finer
B Coarser
C Medium
D Any type of
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
A circular wheel 28 inches in diameter rotates the same number of inches per second as a circular wheel 35 inches in diameter. If the smaller wheel makes x revolutions per second, how many revolutions per minutes does the larger wheel make in terms of x?
A 12x
B 24x
C 36x
D 48x
A wheel that has 6 cogs is meshed with a wheel of 14 cogs. When the smaller wheel has made 21 revolutions the number of revelution made by the larger wheel is --
A 4
B 9
C 12
D 49
A circular wheel 28 inches in diameter rotates (moves) the same number of inches per second as a circular wheel 35 inches in diameter. If the smaller wheel makes x revolutions per second, how many revolutions per minute does the larger wheel make in terms of x?
A 12x
B 48x
C 24x
D 36x
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 structure of a grinding wheel depends upon
A Hardness of the material being ground
B Nature of the grinding operation
C Finish required
D All of these
The grade of grinding wheel depends upon
A Hardness of the material being ground
B Speed of wheel and work
C Condition of grinding machine
D All of these

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