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Chemical Engineering Basics

Chemical Engineering Basics
A jig is used while __________ a hole.

Boring
Drilling
Counter boring
Enlarging

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Chemical Engineering Basics
Lead is added to 60:40 brass primarily to improve

Fluidity
Corrosion resistance
Strength
Machinability

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Chemical Engineering Basics
1% concentration of water vapor in air is equivalent to __________ ppm (parts per million).

100
1000
10
10000

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

None of these
Dry bulb
Wet bulb
Dew point

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Chemical Engineering Basics
Silicon crystal can be converted to p-type semi-conductor by doping with

Phosphorous
Nitrogen
Boron
Carbon

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Chemical Engineering Basics
Load cells used for the measurement of weight has

All of these
Provision of thermal compensation and is hermetically sealed
No moving parts and incurs negligible deflection under load
Compact & rugged construction with an accuracy of 0.1 to 1%

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