Which of the following is the most suitable abrasive for grinding high tensile strength materials ?

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Which of the following is prone to cup and cone fracture ?

A. Cast iron B. Soft brass C. Round specimen of ductile metal D. Flat tensile specimen of ductile metal...

Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of _______________ gms of zinc per m2 of steel strip ?

A. 5-10 B. 1000-1500 C. 120-500 D. 1500-3000...

Inertial forces are obtained, when the elastic forces are multiplied by ______________ number?

A. Mach B. Froude C. Reynolds D. Euler...

Nitriding of a steel part does not increase its__________________?

A. Grain size B. Fatigue limit C. Surface hardness D. Wear resistance...

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is ______________ BTU/hr?

A. 100 B. 200 C. 1000 D. 2000...