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Process Control and Instrumentation

Process Control and Instrumentation
A system with transfer function (2S/4S) + 1 is of __________ order.

Zero
1st
2nd
3rd

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Process Control and Instrumentation
Dilatometer is used to measure

Deflection
Contraction/expansion due to changes in temperature
Strain
Stress

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Process Control and Instrumentation
A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is

1/√2
0.5
0.25
1

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

Log-log
Ordinary
Triangular
Semi-log

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Process Control and Instrumentation
Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer.

Photoelectric
Optical
None of these
Radiation

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Process Control and Instrumentation
Reset rate is the another term used for __________ time.

None of these
Integral
Dead
Derivative

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