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Updated on October 1, 2023

DATA MINING TUTORIAL

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NUMBER SYSTEM

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JAVASCRIPT INTERVIEW QUESTIONS

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Which of the following elements is not present in stainless steel?
1). Iron
2). Tungsten
3). Chromium
4). Nickel

Glass is a
1). pure solid
2). supercooled liquid
3). gel
4). polymer

Which of the following is the major constituent of LPG?
1). Methane
2). Ethane
3). Propane
4). Butane

The cathode of a lead storage battery is made up of
1). Zinc
2). Lead
3). Lead oxide
4). Manganese dioxide

The acid used in lead storage cells is
1). phosphoric acid
2). hydrochloric acid
3). nitric acid
4). sulphuric acid

Supersonic Jet causes pollution by thinning of
1). O2 layer
2). O2 layer
3). S02 layer
4). CO2 layer

Sea weeds are important source of
1). iron
2). chlorine
3). bromine
4). iodine

The long range potential of nu I clear energy in India depends on i its reserves of
1). thorium
2). uranium
3). plutonium
4). radium

Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?
1). Helium
2). Nitrogen
3). Oxygen
4). Hydrogen

Which type of fire extinguisher is used for petroleum fire ?
1). Foam type
2). Soda acid type
3). Powder type
4). None of these

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