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Process Control and Instrumentation

Process Control and Instrumentation
Mass spectrometer is used for the composition analysis of

Alloys
Isotopes
Solids
None of these

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Process Control and Instrumentation
A typical example of a physical system with under damped characteristic is a

U-tube manometer
Spring loaded diaphragm valve
CSTR with first order reaction
Thermocouple kept immersed in a liquid filled thermowell

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Process Control and Instrumentation
Which of the following shows maximum dip effect (indicating reverse direction of temperature change)?

Thermocouple
Mercury thermometer
Radiation pyrometer
Bimetallic thermometer

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Process Control and Instrumentation
Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples.

Inconel
Steel
Nichrome
Vycor (a glass)

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Process Control and Instrumentation
Mercury manometer (U-tube type) exemplifies a __________ order system.

First
Second
Zero
Third

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Process Control and Instrumentation
Optical activity of a solution can be determined using a

Dilatometer
Refractrometer
Polarimeter
Polarograph

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