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Process Control and Instrumentation

Process Control and Instrumentation
What is the Laplace transform of impulse input having magnitude 'X' ?

X²
1/X
X
1

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

Zero
1st
3rd
2nd

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

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

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Process Control and Instrumentation
Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the

Iron-constantan thermocouple
Optical pyrometer
Alcohol filled thermometer
Mercury in glass thermometer

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

Ordinary
Log-log
Triangular
Semi-log

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Process Control and Instrumentation
Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C.

Bimetallic thermometer
Mercury thermometer
None of these
Radiation pyrometer

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