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Chemical Engineering Basics

Chemical Engineering Basics
Castability of aluminium is increased by the addition of __________ in it.

Bismuth
Manganese
Silicon
Lead

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Chemical Engineering Basics
Out of the following, the dimensionless quantity is

Viscosity
Mach number
Density
Specific weight

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Chemical Engineering Basics
Specific heat of an ideal gas depends upon its

Pressure
Molecular weight
Temperature
Volume

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Chemical Engineering Basics
First empirical temperature scale conceived is the __________ temperature scale.

Celcius
Reaumer
Farenhite
Absolute

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Chemical Engineering Basics
1% concentration of water vapor in air is equivalent to __________ ppm (parts per million).

1000
100
10
10000

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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
Troostite
Sorbite
Bainite

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