Chemical Engineering MCQs

A. Unsaturated polyester
B. Polypropylene
C. Polyurethane
D. Nylon-6

A. High ductility
B. High malleability
C. Very high tensile strength
D. Its elastic limit very close to ultimate breaking strength

A. High strength to weight ratio
B. Low temperature strength properties
C. Its ability to be cast, rolled, forged & stamped
D. High strength and corrosion & oxidation-resistance at elevated temperature

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

A. High speed
B. Silicon
C. Molybdenum
D. Tungsten

A. Is in the form of free si
B. Indicates that steel is not deoxidised properly
C. Decreases the blow holes formation tendency in castings
D. None of these

A. Inconel
B. Hastelloys
C. Nimonics
D. Babbitt metal

A. Hastelloy
B. Duriron
C. Monel
D. Inconel

A. Rubber
B. Monel
C. Glass
D. Nickel

A. Nickel
B. Chromium
C. Vanadium
D. Tungsten