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Process Control and Instrumentation

Process Control and Instrumentation
The amplitude ratio for the sinusoidal response of a __________ is 1.

First order system
Second order system
Transportation lag
None of these

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Process Control and Instrumentation
Bourdon gauges are used for measuring pressure (kg/cm² )

> 10 (absolute)
< atmospheric
> 2 (gauge)
< 2 (gauge)

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Process Control and Instrumentation
Emission spectroscopy is used for

Determining water purity
NOxdetermination
Solids and metal analysis
Determination of CO₂ in gases

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Process Control and Instrumentation
The response of two tanks of same size and resistance in series is

Critically damped
Over damped
None of these
Under damped

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Process Control and Instrumentation
Concentration of sugar solution can be determined by the

Flame photometry
Emission spectroscopy
Polarimetry
Oscillometry

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Process Control and Instrumentation
Presence of a small amount of water in the organic systems can be determined by the __________ method.

Electrical conductivity
Dielectric constant end loss factor
Emission spectroscopy
Polarimetry

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