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Process Control and Instrumentation

Process Control and Instrumentation
What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?

1
< 1
None of these
>1

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Process Control and Instrumentation
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Iron-constantan
Platinum-platinum+rhodium
Either A, B or C
Chromel-alumel

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Process Control and Instrumentation
Smoke density of the flue gas going out of the chimney is measured by a

Photo electric cell
Polarograph
Thermal conductivity meter
Chromatograph

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

Semi-log
Log-lag
Ordinary
Triangular

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

Semi-log
Log-log
Ordinary
Triangular

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Process Control and Instrumentation
When a bare thermocouple is covered by a protective sheath, the response becomes

Slower and non-oscillatory
Faster and non-oscillatory
Slower and oscillatory
Faster and oscillatory

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