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Chemical Engineering Basics

Chemical Engineering Basics
While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

2400
2000
1800
3000

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Chemical Engineering Basics
Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

Black
Yellow
Silver grey
Green

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Chemical Engineering Basics
Grain hardness is measured by the __________ hardness testing method.

Shore sceleroscope
Knoop
Rockwell F
Vicker's

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Chemical Engineering Basics
Isotropic materials have the same __________ in all directions.

Elastic properties
Induced stresses
Density
Thermal properties

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Chemical Engineering Basics
Shaft/rotor speed is most accurately measured by a

Tachometer
Strobometer
Speedometer
Frequency counter

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Chemical Engineering Basics
Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is

Lighter
Cheaper
Reduced preferentially
Oxidised preferentially

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