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Chemical Engineering Basics

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

Liquid oxygen
Liquid hydrogen
Liquid hydrazine
Kerosene oil

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Chemical Engineering Basics
At the point of boundary layer separation in fluid flow, the

Shear stress is maximum
Shear stress is zero
Density variation is maximum
Velocity gradient is flat

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Chemical Engineering Basics
__________ forces do not act in case of fluids.

Vibratory
Centrifugal
Tensile
Elastic

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Chemical Engineering Basics
For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

90000 J
30000 J
240000 J
60000 J

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Chemical Engineering Basics
A psychrometer does not measure the __________ temperature of moist air.

None of these
Dry bulb
Dew point
Wet bulb

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Chemical Engineering Basics
Toughness of a material is measured by the

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

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