The ability of a material to absorb energy in the elastic range is a measure of its Toughness Malleability Resilience Brittleness TRUE ANSWER : ? YOUR ANSWER : ?
Platinum and silver are corroded by None of these Phosphoric acid Sulphuric acid (10%) Caustic soda solution TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the most elastic material? Glass Steel Rubber Plastic TRUE ANSWER : ? YOUR ANSWER : ?
Which has the maximum melting point out of the following? Wrought iron Stainless steel Cast iron Steel TRUE ANSWER : ? YOUR ANSWER : ?
Constituents of stellite are Zinc, aluminium and nickel Cobalt, chromium and tungsten Nickel, cobalt and vanadium Zinc, copper and nickel TRUE ANSWER : ? YOUR ANSWER : ?
A bearing metal should not have Low thermal conductivity High toughness Low co-efficient of friction Enough plasticity TRUE ANSWER : ? YOUR ANSWER : ?
Nickel (56%) and molybdenum (17%) alloys are called Monel Inconel Hastealloy C Bronzes TRUE ANSWER : ? YOUR ANSWER : ?
Brass container is suitable for storing Phosphoric acid (95%) Beer Aqueous ammonia H₂SO₄(95%) TRUE ANSWER : ? YOUR ANSWER : ?
Presence of nickel in steel improves its Wear resistance Cutting ability All of these Corrosion resistance TRUE ANSWER : ? YOUR ANSWER : ?
Amount of energy that a material can absorb before its fracture is a measure of its Malleability Toughness Ductility Resilience TRUE ANSWER : ? YOUR ANSWER : ?