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Chemical Engineering Basics

Chemical Engineering Basics
Copper is not present as an alloying constituent in

Nichrome
Silicon bronze
Constantan
Delta metal

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Chemical Engineering Basics
Out of the following, the joint produced by __________ has the lowest strength.

Brazing
Soldering
Welding
Rivetting

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Chemical Engineering Basics
Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

Length of the pipe
Diameter of the pipe
Velocity of the fluid
Density of the fluid

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Chemical Engineering Basics
A psychrometer does not measure the __________ temperature of moist air.

Dry bulb
Dew point
None of these
Wet bulb

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Chemical Engineering Basics
Free oxygen is removed from boiler feed water, because it

Is corrosive
Reduces heat transfer co-efficient
Causes explosion
None of these

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Chemical Engineering Basics
A suitable lubricant used for watches is

Metallic soap solution
Palm oil
Grease
Hazel-nut oil

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