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Process Control and Instrumentation

Process Control and Instrumentation
Flame photometry is used for the determination of compositional analysis of

Alkali metals
Isotopes
Natural gas
Solids

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Process Control and Instrumentation
Number of poles in a system with transfer function 1/(s² + 2s² + 1) is

2
3
1
5

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Process Control and Instrumentation
Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?

Carbon-tetrachloride
Methyl alcohal
Mercury
Water

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Process Control and Instrumentation
__________ type of element is normally not used in the bimetallic thermometers.

Multiple helix
Bourdon tube
Single helix
Flat spiral

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Process Control and Instrumentation
Nichol's chart deals with

R. vs. phase lag of first order
R. vs. phase lag of second order
Closed loop values vs. open loop values
Frequency response values of controllers

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Process Control and Instrumentation
The level of a liquid under pressure can be determined using

Diaphragm box system
Bubbler system
Air-trap system
Differential pressure manometer

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MORE MCQ ON Process Control and Instrumentation

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