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Chemical Engineering Basics

Chemical Engineering Basics
Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

1147
723
1493
959

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Chemical Engineering Basics
In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

Blast of air
Mixture of water and air
Jet of water at high pressure
Rain of molten lead

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Chemical Engineering Basics
Function of feed check valve in a boiler is to

Facilitate circulation of high pressure feed water
Regulate the water flow to boiler
Check the water level in the boiler drum
Prevent the back flow of water

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Chemical Engineering Basics
__________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength.

Shot peening
Spinning
Lancing
Slugging

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Chemical Engineering Basics
Consideration of the creep is the most important in case of the

Piston of an I. C. engine
Flywheel of steam engine
Cycle chain
Blades of gas turbine

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Chemical Engineering Basics
A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

Brass
Glass
Rubber
Steel

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