H2SO4 (< 50% concentration) is corrosive to_________________?

Materials and Construction 28/04/2020

A. Aluminium, mild steel, stainless steel, concrete & tin
B. Copper, cast iron & high silicon iron (14% Si)
C. Rubber (butyl and hard), silicone rubber & Teflon
D. Glass, graphite, porcelain & stoneware

Related Mcqs:

    Karbate is____________________?
    A. A mixture of iron dust and saw dust B. Carbon impregnated with resin (usually Bakelite) C. An acid resistant material D. Both B. and C....
    ______________ iron is produced, when molten pig iron is allowed to cool gradually?
    A. White cast B. Grey cast C. Wrought D. None of these...
    The most distinguished property of malleable cast iron is its high_________________?
    A. Ductility B. Hardness C. Malleability D. None of these...
    A material is called ‘ductile’, if it can be__________________?
    A. Drawn into wires B. Hammered to a thin sheet C. Fractured without deformation D. Made lustrous by heating it...
    Molybdenum steels containing 0.15 to 0.40% molybdenum___________________?
    A. Are prone to temper brittleness B. Are used for automobile parts like gears, axle, shaft, bearings etc. C. Have very poor fatigue resistance D. Do not contain nickel or chromium or both...

Leave a Reply

Your email address will not be published. Required fields are marked *