Lead Is the hardest metal in common use Can not be scratched by finger nails Can not be work hardened Is the lightest metal in common use TRUE ANSWER : ? YOUR ANSWER : ?
A suitable material of construction to use with fuming sulphuric acid is Stainless steel type 304 Carbon steel Nickel Monel TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following mechanical properties of a material is most structure insensitive? Modulus of elasticity (young Percentage reduction of area Toughness Tensile strength TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following stainless steels is non-magnetic? Martensitic Austenitic None of these Ferritic TRUE ANSWER : ? YOUR ANSWER : ?
Ceramic materials are Stronger in compression than in tension Always bad heat conductors Organic in nature Always amorphous in nature TRUE ANSWER : ? YOUR ANSWER : ?
Wrought iron is a suitable material of construction for handling __________ solutions. None of these Alkalis & alkaline Dilute acidic Concentrated acidic TRUE ANSWER : ? YOUR ANSWER : ?
The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability? Copper Lead Wrought iron Aluminium TRUE ANSWER : ? YOUR ANSWER : ?
Photographic plates are coated with Silver halide Metallic silver Silver nitrate Calcium silicate TRUE ANSWER : ? YOUR ANSWER : ?