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Chemical Engineering Basics

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

Dew point
None of these
Dry bulb
Wet bulb

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

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

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Chemical Engineering Basics
The ratio of thermal & electrical conductivity is same for all the metals at the same temperature ; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)

T
1/T
T²
1/T²

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

Concentration
Temperature
Velocity
None of these

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Chemical Engineering Basics
The stress at which a metal fails by fatigue lies

Near the fracture point of the stress-strain curve
None of these
In the plastic range
In the elastic range

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Chemical Engineering Basics
During sensible cooling of air, its wet bulb temperature

Increases but dew point remains constant
Decreases but dew point remains constant
Decreases & the dew point increases
Increases & the dew point decreases

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