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Chemical Engineering Basics

Chemical Engineering Basics
Rankine cycle comprises of two isothermal and two __________ processes.

Polytropic
Isobaric
Isentropic
None of these

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Chemical Engineering Basics
A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is

0.33
0.44
0.25

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

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

Normalising
Tempering
Annealing
Case carburising

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Chemical Engineering Basics
Laser welding is widely employed in the __________ industries.

Heavy
Process
Structural
Electronic

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Chemical Engineering Basics
The most suitable material of construction for a sewer to carry sewage under high pressure is

Asbestos cement
Stoneware
Cement concrete
Steel

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