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Process Control and Instrumentation

Process Control and Instrumentation
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is

54
36
12
68

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

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

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Process Control and Instrumentation
What is the Laplace transform of sin t ?

1/(s² + 1)
S/(s² + 1)
1/(s² - 1)
S/(s² - 1)

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Process Control and Instrumentation
In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the __________ variable.

None of these
Load
Manipulated
Controlled

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Process Control and Instrumentation
Bode diagram are generated from output response of the system subjected to which of the following input?

Step
Impulse
Sinusoidal
Ramp

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Process Control and Instrumentation
A manometer measures the __________ pressure.

Gauge
None of these
Absolute
Atmospheric

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