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Chemical Engineering Basics

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

Thermal properties
Induced stresses
Elastic properties
Density

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Chemical Engineering Basics
__________ of hard alloy and tool steel is done to make it easily machinable.

Tempering
Annealing
Case carburising
Normalising

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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
Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

Cobalt, chromium & tungsten
Molybdenun, tungsten & chromium
Cobalt, chromium & nickel
Cobalt, zirconium & molybdenum

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Chemical Engineering Basics
Blast furnace slag is mainly molten

Iron pyrite
Magnesium silicate
Calcium silicate
Sand

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Chemical Engineering Basics
If the head is doubled in & centrifugal pump, the power required will increase in the ratio of

21/3
23
23/2
25/2

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