Which of the following is an example of cathodic protection of metals against corrosion ?

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Water flow in the river during flood can be categorized as the _________________ flow ?

A. Unsteady uniform B. Unsteady non-uniform C. Steady uniform D. Steady non-uniform...

Galvanic corrosion cannot be prevented by___________________?

A. Cathodic protection B. Anodic protection C. Usage of largest possible anodic area D. Any one of these...

Pick out the wrong statement ?

A. Cold cracking of a weld is due to the presence of hydrogen gas in the weld B. True stress is given by, ζ = ζE (1 + εE), where ζE and εE are engineering stress and engineering strain respectively C. Phosphorous can be easily recovered in the iron blast furnace D. High residual stress … Pick out the wrong statement ?Read More...

Hot extrusion process is not used for making____________________?

A. Cast iron pipe for domestic water supply B. Aluminium curtain rods C. Stainless steel tubes used in furnitures D. Any of these...

Pressure exerted by a liquid depends upon its_________________?

A. Surface tension B. Density C. Viscosity D. Buoyancy...