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Process Control and Instrumentation

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

Isotopes
Solids
Natural gas
Alkali metals

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Process Control and Instrumentation
An amplitude ratio of 0.1 corresponds to __________ decibels.

10
-10
-20
20

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Process Control and Instrumentation
A non-linear chemical system is exemplified by a/an

Isothermal CSTR
None of these
Mixer
Non-isothermal CSTR

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Process Control and Instrumentation
Photoelectric pyrometers are suitable in the temperature range of __________ °C.

800-1600
800-2500
400-1000
400-1600

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Process Control and Instrumentation
Thermocouple in a thermal well behaves as a true

First order system
Second order system (overdamped)
Multiple first order system
Second order system (underdamped)

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Process Control and Instrumentation
Non-metallic diaphragm used as pressure sensor in instruments is generally made of

Thick paper
Teflon
Bakelite
Synthetic rubber

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