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Process Control and Instrumentation

Process Control and Instrumentation
On-off controllers are normally used for

Temperature changes
None of these
Low loads
Flow rate changes

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Process Control and Instrumentation
Mercury manometer (U-tube type) exemplifies a __________ order system.

Third
Zero
First
Second

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Process Control and Instrumentation
Which of the following flow-metering instru-ments is an areameter?

Rotameter
Hot wire anemometer
Pitot tube
Venturimeter

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Process Control and Instrumentation
Mercury thermometer can be used to measure the temperature upto __________ °C.

100
250
350
750

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Process Control and Instrumentation
Polarograph is meant for the analysis of

Solids
Miscible liquids
Isotopes
Gaseous mixture

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Process Control and Instrumentation
In Bode plot, Φ vs ω is plotted on a/an __________ graph paper.

Log-log
Semi-log
Triangular
Ordinary

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