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Process Control and Instrumentation

Process Control and Instrumentation
Identify an unbounded input from inputs whose transfer functions are given below

1/(S² + 1)
1/S
1/S²
1

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Process Control and Instrumentation
Non-metallic diaphragm used as pressure sensor in instruments is generally made of

Bakelite
Teflon
Synthetic rubber
Thick paper

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Process Control and Instrumentation
Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³.

10
1
100
50

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

Log-lag
Semi-log
Ordinary
Triangular

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Process Control and Instrumentation
Which of the following fluid flow measuring devices can measure the largest flow rate?

Orificemeter
Rotameter
Weir
V-notch

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Process Control and Instrumentation
Which of the following filled system expansion thermometer has the capability to measure the lowest temperature?

Alcohol in glass thermometer
Fused metal (Na or K) in steel thermometer
Mercury in glass thermometer
Mercury in steel thermometer

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