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Chemical Engineering Basics

Chemical Engineering Basics
The weight of a body at the centre of the earth is

Infinite
None of these
Zero
Same as on the surface of the earth

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Chemical Engineering Basics
Tempering of a material does not improve its

Toughness
Machinability
Internal stress level
Softness

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Chemical Engineering Basics
If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase.

Conduction
Convection
Radiation
Nucleate boiling

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Chemical Engineering Basics
Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as

Gr0.25, Gr
Gr0.25, Gr0.33
Gr, Gr0.25
Gr0.33, Gr0.25

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Chemical Engineering Basics
Ignition of fuel in a diesel engine is by

Fuel injection
None of these
Hot compressed air
Spark

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Chemical Engineering Basics
Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

Volume
Heat
Entropy
Pressure

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