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Process Control and Instrumentation

Process Control and Instrumentation
In an exothermic chemical reactor, the manipulated variable is the flow rate of

Coolant
None of these
Product
Reactants

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Process Control and Instrumentation
Instrumentation in a plant offers the advantage of

Better quality of product
Greater safety of operation
Greater operation economy
All of these

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Process Control and Instrumentation
In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1.

Outlet flow rate
Neither A nor B Here
Both A & B Here
Level

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Process Control and Instrumentation
Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect.

Seebeck
None of these
Thomson
Peltier

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

Parabolic
Linear
Exponential
Square root

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Process Control and Instrumentation
Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively

32° & 460°
32° & 80°
- 273° & 80°
0° & 80°

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