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Process Control and Instrumentation

Process Control and Instrumentation
Characteristic equation is the denominator of __________ loop transfer function.

Both A & B Here
Closed
Neither A Nor B Here
Open

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Process Control and Instrumentation
When the damping co-efficient (ξ) is unity, the system is

Highly fluctuating
Underdamped
Critically damped
Overdamped

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Process Control and Instrumentation
Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a

Reistance thermometer
Vapor pressure thermometer
Mercury in glass thermometer
Thermocouple

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Process Control and Instrumentation
Transfer function of transportation lag is

E-TS
None of these
ETS
1/(TS + 1)

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Process Control and Instrumentation
Which of the following thermocouples is capable of measuring a temperature of -50°C?

Platinum - platinum + rhodium
Copper - constantan
Chromel - alumel
Iron-constantan

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Process Control and Instrumentation
Which is the most suitable instrument for measuring pressure below 3 microns?

Bourdon guage
Ionisation gauge
Mcleoid gauge
Alphatron

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MORE MCQ ON Process Control and Instrumentation

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