Materials and Construction

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

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

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

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

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

A. Used for making axle & shafts of aeroplanes, automobiles and locomotives
B. Having poor fatigue resistance
C. Having poor toughness
D. Not helpful in producing cleaner steel due to oxidising action of vanadium

A. Ferritic
B. Martenistic
C. Austenitic
D. None of these