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Chemical Engineering Basics

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

Pressure
Heat
Volume
Entropy

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

None of these
Hot compressed air
Fuel injection
Spark

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Chemical Engineering Basics
Unit of viscosity in CGS system is

Gm .cm⁻¹ sec⁻¹
Gm . cm . sec⁻¹
Gm . cm² . sec⁻²
Gm .cm⁻², sec⁻¹

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Chemical Engineering Basics
Air refrigeration cycle is used in the air crafts, because of

Low temperature encountered at high altitude
Its low unit weight per ton of refrigeration
Its higher co-efficient of performance (COP)
Its high heat transfer rate

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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

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

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Chemical Engineering Basics
Brinell Hardness Number (BHN) for talc is approximately in the range of

1-5
20-30
200-250
100-150

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