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Process Control and Instrumentation

Process Control and Instrumentation
Mass spectrometer is used for the composition analysis of

None of these
Solids
Alloys
Isotopes

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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

Over damped
Under damped
None of these
Critically damped

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

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

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

None of these
Second order system
Transportation lag
First order system

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Process Control and Instrumentation
The unit of 'time constant' of a system is the same as that of

None of these
(time)⁻¹
Velocity
Time

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

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

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