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Process Control and Instrumentation

Process Control and Instrumentation
Configuration of Bourdon spring tube is never made of __________ shape.

Helical
Semi-circular
Circular
Spiral

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Process Control and Instrumentation
The thermal emf-temperature relationship of most thermocouples is

Linear
Exponential
Parabolic
Square root

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Process Control and Instrumentation
Thermal conductivity measurement is used for the determination of

Composition of an alloy
O₂ percentage in the flue gas
CO₂ percentage in the flue gas
Specific gravity of petrofuels

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

Non-isothermal CSTR
Isothermal CSTR
Mixer
None of these

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Process Control and Instrumentation
Continuous measurement of moisture in paper is done by

Weighing
Hair-hygrometer
Sling psychrometer
High resistance Wheatstone's bridge circuit

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Process Control and Instrumentation
Temperature of __________ can not be measured by an optical or radiation pyrometer.

Hot blast (air) from stoves
Molten slag flowing out of blast furnace
Combustion space in boilers
Rotary limestone calcination kiln

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