Combination of metals and ceramics are called Cermets Non-crystalline ceramics Pellets Metalloy TRUE ANSWER : ? YOUR ANSWER : ?
Softness of silver can be converted into hardness by alloying it with small quantity of Aluminium Zinc Tin Copper & nickel TRUE ANSWER : ? YOUR ANSWER : ?
Bush bearings are made of White metal alloys None of these Phosphorous bronze Mild steel TRUE ANSWER : ? YOUR ANSWER : ?
All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain Decreases in proportion to stress Decreases very quickly Increases in proportion to stress Increases very quickly TRUE ANSWER : ? YOUR ANSWER : ?
Which one has the maximum tensile strength out of the following? Pig iron White cast iron Nodular cast iron Grey cast iron TRUE ANSWER : ? YOUR ANSWER : ?
Rubber lined vessels are corroded by the action of Aqua regia All of these Chloroform Sulphuric acid (95%) TRUE ANSWER : ? YOUR ANSWER : ?
Rotary driers are generally made of High silicon iron (14% Si) Cast iron Tin lined with refractory bricks Mild steel TRUE ANSWER : ? YOUR ANSWER : ?
Cold worked steel parts are normally subjected to Shot peening Hardening Annealing Normalising TRUE ANSWER : ? YOUR ANSWER : ?
In hot wire aneomometer used for gas flow measurement, the wire is normally made of Constantan Platinum Chromium Copper TRUE ANSWER : ? YOUR ANSWER : ?
Wrought iron is Highly resistance to acid corrosion High carbon iron An alloy of iron, chromium & carbon Malleable & ductile; and hence is used for chain links, hooks & couplings TRUE ANSWER : ? YOUR ANSWER : ?