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Chemical Engineering Basics

Chemical Engineering Basics
Corrosion rate can not be lowered by reducing the __________ of the corroding medium.

Velocity
Temperature
None of these
Concentration

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

21/3
25/2
23
23/2

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Chemical Engineering Basics
Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.

Knoop
Brinell
Rockwell
Vicker's

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Chemical Engineering Basics
When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

Increases & decreases
Increases & increases
Decreases & increases
Decreases & decreases

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