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

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

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Chemical Engineering Basics
The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

Increasing the concentration of copper sulphate solution
Increasing the surface area of the electrodes
Increasing the concentration of zinc sulphate solution
Decreasing the surface area of the electrodes

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