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Process Control and Instrumentation

Process Control and Instrumentation
__________ are analysed using a polarograph.

Solids
Gases
Isotonic solutions
Liquids

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Process Control and Instrumentation
Response of a system to a sinusoidal input is called __________ response.

None of these
Unit step
Impluse
Frequency

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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
The inverse Laplace transform of the function f(s) = 1/S(1 + S) is

1 - e-t
1 + et
1 - et
1 + e-t

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Process Control and Instrumentation
Use of I-control along with P-control facilitates

Reduction of offset
None of these
Elimination of offset
Reduction of stability time

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Process Control and Instrumentation
Polarograph is meant for the analysis of

Miscible liquids
Gaseous mixture
Isotopes
Solids

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