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 ?

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Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is____________________?

A. Very low which prevents their ignition by compression B. Very high which prevents their ignition by compression C. Zero D. None of these...

Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost________________?

A. Only B. Plus variable cost C. Plus overhead cost D. Plus selling expenses...

Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of_____________________?

A. 90% tungsten carbide and 10% cobalt B. 70% aluminium oxide & 30% silica C. 30% nickel, 15% chromium & 55% tungsten D. 65% tungsten & 35% zirconium...

Powder metallurgy process does not make metal powder by_________________________?

A. Atomisation B. Grinding/milling C. Hammering D. Electrolytic deposition...

Nuclear fission of one atom of uranium-235 produces the energy equivalent to about ____________ MeV?

A. 20 B. 200 C. 500 D. 2000...