The softness or hardness of a grinding wheel depends upon...
The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding, __________ grinding wheel is normally used.
hard
soft
silicon carbide
aluminium oxide
Correct answer is D
No explanation has been provided for this answer.
Auto collimator is used to check ...
Which one of the following is incombustible? ...
Energy of the sun arises mainly from __________ reactions. ...
Speisses is a mixture of the following: ...
Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in r...
In the blast furnace, incorporation of water vapour in the blast gives the following effect. ...
A high pressure boiler generates steam at a pressure greater than __________ kg/cm2 . ...