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Chemical Engineering Basics

Chemical Engineering Basics
Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

1.5
7
5
3

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Chemical Engineering Basics
Air standard Otto cycle is more efficient than the diesel cycle for the same

Heat addition & pressure
Heat addition & compression ratio
Compression ratio & pressure
Cylinder dimension & rpm

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Chemical Engineering Basics
Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

0.043055555555556
0.084027777777778
0.044444444444444
0.042361111111111

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Chemical Engineering Basics
Toughness of a material is measured by the

Universal testing machine
Scratch test
Notched bar test
Vicker's hardness test

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Chemical Engineering Basics
Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C.

597
959
1147
1493

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Chemical Engineering Basics
Austempering of steel requires.it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

Martensite
Bainite
Sorbite
Troostite

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