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Process Control and Instrumentation

Process Control and Instrumentation
__________ type of element is normally not used in the bimetallic thermometers.

Flat spiral
Bourdon tube
Single helix
Multiple helix

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

Reactants
Coolant
Product
None of these

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Process Control and Instrumentation
A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is

1
-1
43838
44020

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

Semi-circular
Spiral
Circular
Helical

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

Natural gas
Solids
Isotopes
Alkali metals

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Process Control and Instrumentation
Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C.

Radiation pyrometer
None of these
Bimetallic thermometer
Mercury thermometer

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