Vessels made of __________ can be used to store dry chlorine. Nickel Steel or iron Thermoplastic materials None of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not an alloy of nickel and chromium? Inconel Hastealloy Nimonic alloys Duralumin TRUE ANSWER : ? YOUR ANSWER : ?
The presence of impurities in iron Increases its melting point Makes it malleable Decreases its melting point Does not affect its melting point TRUE ANSWER : ? YOUR ANSWER : ?
Metalloid is All of these Highly electronegative in nature An alloy An element which exhibits the properties of both metal & non-metal TRUE ANSWER : ? YOUR ANSWER : ?
18-4-1 high speed steel contains 18%, 4% and 1% respectively of Tungsten, vanadium and chromium Chromium, tungsten and vanadium Tungsten, chromium and vanadium Vanadium, chromium and tungsten TRUE ANSWER : ? YOUR ANSWER : ?
Which one is remelted and poured into moulds to get cast iron? Mild steel Low carbon steel Wrought iron Pig iron TRUE ANSWER : ? YOUR ANSWER : ?
Coke oven regenerators are made of __________ bricks. Fire clay Low thermal conductivity High electrical conductivity Silica TRUE ANSWER : ? YOUR ANSWER : ?
Common house hold glass (i.e., soda-lime glass) is a/an __________ material. Amorphous Partly crystalline None of these Fully crystalline TRUE ANSWER : ? YOUR ANSWER : ?
Beehive coke ovens are made of __________ bricks. Fireclay Silicon carbide Silica Corundum TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a copper based alloy with nickel? German silver Monel metal Inconel Constantan TRUE ANSWER : ? YOUR ANSWER : ?