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Process Control and Instrumentation

Process Control and Instrumentation
Working principle of disappearing filament type optical pyrometer is based on the

Kirchoff's law
Wien's law
Seebeck effect
Peltier effect

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Process Control and Instrumentation
Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit?

Thomson effect
Peltier effect
Joule heating effect
Seebeck effect

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Process Control and Instrumentation
Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is

Ethylene glycol
Carbon tetrachloride
Water
Paraffin

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Process Control and Instrumentation
Positioning controllers are used for

High loads
Low loads
Temperature changes
Flow rate changes

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Process Control and Instrumentation
__________ is an example of distributed parameter system

Tubular reactor
CSTR
None of these
On-off controller

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Process Control and Instrumentation
Which is the strongest paramagnetic gas?

CO₂
NO
NO₂
O₂

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