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Chemical Engineering Basics

Chemical Engineering Basics
Corrosion rate can not be lowered by reducing the __________ of the corroding medium.

Concentration
Temperature
Velocity
None of these

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Chemical Engineering Basics
Lead is added to 60:40 brass primarily to improve

Strength
Machinability
Corrosion resistance
Fluidity

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

Vanadium
Manganese
Silicon
Carbon

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Chemical Engineering Basics
Out of the following, which will fracture most readity, when hit with a hard hammer ?

Cast iron
Brass
Bronze
German silver

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Chemical Engineering Basics
Paint spray gun works on the principle of

None of these
Boyle's law
Bernoulli's theorem
Newton's law of viscosity

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Chemical Engineering Basics
Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as

Re0.5, Re0.8
Re0.8, Re-0.5
Re-0.8, Re0.5
Re0.8, Re0.5

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