Corrosion of metals cannot be prevented by its__________________?

Related Mcqs:

Which of the following materials has the least scrap value ?

A. Aluminium B. Stainless steel C. Brass D. Copper...

Oxygen cylinders used for autogenous (cutting/welding) purposes are ___________________?

A. Seamless & made of steel B. Heat treated before use C. Made by sand casting D. Welded steel cylinders...

Brazing is the joining of metals_____________________?

A. Without melting the base metal B. With a non-ferrous filler C. Both A. & B. D. Neither A. nor (B)...

Pick out the wrong statement ?

A. A ferromagnetic material becomes paramagnetic above the ‘Curie temperature’ B. Permanent magnets are made of hard materials, whereas electromagnets require soft magnetic materials C. Soft magnetic materials (e.g., pure iron) have higher permeability and low hysterisis loss and coercive forces D. Tungsten steel and alnico are not hard magnetic materials...

Wrought iron is never shaped by__________________?

A. Casting B. Cold working C. Forging D. Welding...