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Chemical Engineering Basics

Chemical Engineering Basics
The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is

Conduction
Radiation
Convection
Both A & B

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

Brass
Cast iron
Bronze
German silver

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Chemical Engineering Basics
Speed of a submarine in deep sea & that of an aeroplane is measured by a/an

Stroboscope
Hot wire anemometer
Pitot tube
Rotameter

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Chemical Engineering Basics
Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.

Vicker's
Knoop
Brinell
Rockwell

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Chemical Engineering Basics
Friction factor for fluid flow in pipe does not depend upon the

Pipe length
Pipe roughness
Fluid density & viscosity
Mass flow rate of fluid

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Chemical Engineering Basics
Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

0.95902777777778
1.2090277777778
0.37569444444444
0.70902777777778

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