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Chemical Engineering Basics

Chemical Engineering Basics
Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

Martensite
Cementite
Austenite
Pearlite

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Chemical Engineering Basics
While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

2000
3000
1800
2400

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Chemical Engineering Basics
Which of the following is a unit of time ?

Barn
None of these
Light year
Angstrom

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Chemical Engineering Basics
__________ is the most important element, which controls the physical properties of steel.

Manganese
Carbon
Vanadium
Silicon

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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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Chemical Engineering Basics
Which of the following is not used as a fuel in rocket propellaht ?

Liquid hydrazine
Kerosene oil
Liquid oxygen
Liquid hydrogen

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