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Process Control and Instrumentation

Process Control and Instrumentation
Use of I-control along with P-control facilitates

Reduction of stability time
Elimination of offset
None of these
Reduction of offset

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

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

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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
Paraffin
Carbon tetrachloride
Water

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Process Control and Instrumentation
Range of hydrogen gas constant volume themometer is __________ °C.

100 - 500
0 to 100
-10 to 20
400 - 1000

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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
Level
Both A & B Here

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Process Control and Instrumentation
The amplitude ratio for the sinusoidal response of __________ is < 1.

None of these
First order system
Second order system
Transportation lag

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