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Chemical Engineering Basics

Chemical Engineering Basics
Which of the following welding processes employs the highest welding temperature ?

Arc welding
Thermit welding
Resistance welding
Gas welding

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

23/2
23
25/2
21/3

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

Case carburising
Annealing
Normalising
Tempering

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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

Silver grey
Black
Green
Yellow

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Chemical Engineering Basics
Powder metallurgy is used to produce

High precision components with complex cavities and sharp features
Components of large size
Porosity free components
Components of such alloys whose constituents do not form alloys readily

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Chemical Engineering Basics
Paint spray gun works on the principle of

Bernoulli's theorem
Boyle's law
None of these
Newton's law of viscosity

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