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Process Control and Instrumentation

Process Control and Instrumentation
What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?

< 1
None of these
>1
1

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Process Control and Instrumentation
The unit step response of the transfer function 1/(s² + 2s + 3)

Is overdamped
Has a non-zero slope at the origin
Is unstable
Has a damped oscillatory characteristics

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

First
Second
Zero
Third

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Process Control and Instrumentation
Liquid flow rate in a small channel is best measured by a/an

Weir
Pitot tube
Venturimeter
Vane meter

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Process Control and Instrumentation
A bolometer is

Neither A nor B Here
An element which senses optical input and delivers thermal output
Used for the measurement of thermal radiation
Both A & B Here

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Process Control and Instrumentation
Thermocouple in a thermal well behaves as a true

First order system
Second order system (overdamped)
Second order system (underdamped)
Multiple first order system

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