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Chemical Engineering Basics

Chemical Engineering Basics
Which of the following heat treatment processes is usually applied to castings ?

Normalising
Annealing
Carburising
Tempering

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Chemical Engineering Basics
Deformation band is absent in materials having __________ lattice crystal structure.

Hcp
Fcc
None of these
Bcc

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Chemical Engineering Basics
Kinematic viscosity of water as compared to that of air is

More
15% less
15% more
Same

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Chemical Engineering Basics
A suitable lubricant used for watches is

Metallic soap solution
Hazel-nut oil
Grease
Palm oil

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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
0.25
0.44

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

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

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