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Process Control and Instrumentation

Process Control and Instrumentation
Routh stability method uses __________ loop transfer function.

Neither A nor B
Open
Closed
Either A or B

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Process Control and Instrumentation
The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be

Critically damped
None of these
Under damped
Over damped

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Process Control and Instrumentation
Flow rate of a river is measured by a/an

Vane meter
Kennison nozzle
Pitot tube
Open weir

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Process Control and Instrumentation
Stability of a control system containing a transportation lag can be best analysed by

Frequency response methods
None of these
Root locus methods
Routh test

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Process Control and Instrumentation
Identify an unbounded input from inputs whose transfer functions are given below

1/S
1/(S² + 1)
1/S²
1

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Process Control and Instrumentation
High temperature of around 2000°C of incandescent gas mantles is measured by a/an

Specially designed thermocouple
None of these Here
Optical pyrometer
Radiation pyrometer

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