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Process Control and Instrumentation

Process Control and Instrumentation
Which of the following controllers has the least maximum deviation?

P-I controller
P-D controller
P-controller
P-I-D controller

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

Semi-log
Triangular
Ordinary
Log-log

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Process Control and Instrumentation
Pressure of 0.01 psi (absolute) can be measured by __________ gauge.

Ionisation
Mcloid
Pirani
None of these

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Process Control and Instrumentation
Maximum differential pressure in liquid manometer is __________ psi.

20
40
30
50

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Process Control and Instrumentation
Working principle of radiation pyrometer is based on the

Stafan-Boltzman law
Seebeck effect
Kirchoffs law
Wien's law

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Process Control and Instrumentation
Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is

Platinum-platinum+rhodium
Iron-constantan
Chromel-alumel
None of these

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