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Process Control and Instrumentation

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

Emission spectroscopy
Oscillometry
Flame photometry
Polarimetry

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Process Control and Instrumentation
Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value.

100
95
87.5
63.2

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Process Control and Instrumentation
Liquid flow rate in an open channel can not be measured by a/an

Rectangular weir
Orifice meter
Cipolletti weir
V-notch

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Process Control and Instrumentation
A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in

Current
Voltage
Light intensity
Flux density

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Process Control and Instrumentation
Humidity of air can be determined by a

Polarimeter
Chromatograph
Mass spectrometer
Sling psychrometer

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Process Control and Instrumentation
In Bode plot, A.R. vs. w is plotted on a/an __________ graph paper.

Semi-log
Log-lag
Triangular
Ordinary

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