The gases used in different types of welding would include
1 Oxygen and hydrogen
2 Oxygen, acetylene and argon
3 Oxygen and acetylene
4 None of these
A super conductor is characterized by 1 Zero permeability 2 Low permeability 3 High permeability 4 Infinite permeability
whate is the difference b/w aflatoxions&ocharatoxions
The process by which an organic compound breaks down into simpler compounds on heating to high temperature is known as 1 Armatisation 2 Polymerization 3 Pyrolysis 4 Reduction
Which one of the following is the petroleum wax? 1 Bees wax 2 Carnauba wax 3 Paraffin wax 4 Jojoba wax
Marsh gas is 1 Hydrogen 2 Nitrogen 3 Methane 4 Ethane
Which of the following is a protein? 1 Wool 2 Starch 3 Natural rubber 4 Cellulose
The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat
1 Answers Neyveli Lignite Corporation,
Which of the following is in liquid form at room temperature? 1 Cerium 2 Sodium 3 Francium 4 Lithium
The major constituents of Portland cement include 1 Lime, silica and iron oxide 2 Lime, silica and magnesia 3 Silica, alumina and magnesia 4 Lime, silica and alumina
who is the father of sex?
Explain about the methods of sterilization of DMEM?
The age of most ancient geological formations is estimated by 1 Potassium-argon method 2 Ra-Si method 3 C14method 4 Uranium-lead method