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Process Control and Instrumentation

Process Control and Instrumentation
Starting temperature of optical radiation pyrometer is __________ °C.

1500
1200
400
800

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Process Control and Instrumentation
Bourdon gauges are used for measuring pressure (kg/cm² )

> 10 (absolute)
< atmospheric
> 2 (gauge)
< 2 (gauge)

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Process Control and Instrumentation
The inverse Laplace transform of the function f(s) = 1/S(1 + S) is

1 + et
1 - e-t
1 - et
1 + e-t

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Process Control and Instrumentation
Mercury manometer (U-tube type) exemplifies a __________ order system.

Third
Zero
First
Second

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Process Control and Instrumentation
A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is

-90°
-180°
-45°
45°

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Process Control and Instrumentation
Polarograph is meant for the analysis of

Isotopes
Gaseous mixture
Miscible liquids
Solids

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MORE MCQ ON Process Control and Instrumentation

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