A. Chloroform

C. Aqua regia

D. Sulphuric acid (95%)

B. Is very costly

C. Corrodes easily

D. None of these

B. 1.5-2

C. 9-Jul

D. 3.5-4.5

A. Cutting ability

C. Wear resistance

D. All A., B. and C.

A. Nitriding

B. Cyaniding

D. Pack carburising

B. High alumina bricks

C. Calcium carbide

D. Fireclay bricks

A. Plastics

C. Acrylics

D. Rubber

A. Drop forging

C. Die block

D. Fish plates

B. Are exemplified by clay and mica

C. Never exhibit polymorphism

D. Are poor electrical conductors due to lack of free electrons

B. A magnetic property

C. Its capacity to resist the flow of current

D. Its energy storage capacity

A. Inconel

B. Hastelloy

D. Duriron

A. Erosion

C. Resilience

D. None of these

A. Lead and vanadium

C. Molybdenum and tungsten

D. Phosphorous and tungsten

A. Monel

B. Rubber

D. Nickel

B. Lead

C. Chromium

D. Copper

B. Low carbon steel

C. Mild steel

D. Wrought iron

A. Monel

B. Aluminium bronzes

C. Brass

A. Low temperature strength properties

B. High strength and corrosion & oxidation-resistance at elevated temperature

D. Its ability to be cast, rolled, forged & stamped

A. Moving mercury and graphite

C. Moving mercury and crimped steel wire

D. Moving mercury and carbon

B. Mild steel

C. Dead mild steel

D. Medium carbon steel

A. Carburising

B. Nitriding

D. Cyaniding

B. Cast iron

C. Refractory blocks

D. Lead lined steel

B. 0.8 to 1.5

C. 1.5 to 2

D. 0.4 to 0.7

A. A compound of carbon and iron

C. Fe3C chemically

D. Characterised by an orthorhombic crystal structure

A. Ductile

C. Brittle

D. Malleable

A. Increases in proportion to stress

B. Decreases very quickly

D. Decreases in proportion to stress

A. An elastomer

C. Aluminium foil clad with Bakelite

D. An alloy of lead and tin

A. Non-metals

B. Non-ferrous metals

C. Stainless steel

A. Slush

B. Die

C. Investment

A. Tensile strength

C. Alkali resistance

D. Acid resistance

B. Very poor in strength & ductility

C. Highly resistant to corrosion (as much as stainless steel)

D. A high carbon steel (0.5 to 1.5% carbon)

A. None of these

B. Rubber

C. Gypsum

A. Stainless steel

C. Mild steel

D. Galvanised iron

A. Chlorinated brine

B. Hypochlorous acid

C. Caustic soda

A. Zinc

B. Aluminium

C. Tin

A. None of these

B. Phosphorus

D. Sulphur

A. Nickel, cobalt and vanadium

B. Zinc, aluminium and nickel

C. Zinc, copper and nickel

A. Duralumin

C. Bronze

D. Solder

A. Tungsten

B. Cobalt

D. Vanadium

A. Tungsten

B. Nickel

C. Chromium

A. Do not resist corrosion

B. Are heat insulators

D. Are very brittle

A. 70

C. 90

D. 50

A. 2-4% Cr, 22% NI and 2-4% Mo

C. 20-22% Cr, and 8-10% Ni

D. None of these

A. Cast iron

B. Karbate

D. None of these

A. None of these

B. Wrought

D. Grey cast

A. Produced by adding 10-20% steel to the cupola charge

B. Stronger than cast iron

D. Neither A. nor B.

B. Aluminium

C. Cadmium

D. Lead

A. Medium carbon

C. High carbon

D. High alloy

A. Aluminium

C. Lead

D. Nickel

A. Medium carbon steel

C. Wrought iron

D. High carbon steel