The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is

Process Control and Instrumentation
The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is

1

3

2

4

1

3

2

4

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

Solids

None of these

Isotopes

Alloys

Solids

None of these

Isotopes

Alloys

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Process Control and Instrumentation
For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.

Sum

Difference

Product

Ratio

Sum

Difference

Product

Ratio

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Process Control and Instrumentation
Dead zone is the

Same as transportation lag

Same as time constant

None of these

Maximum change in the variable that does not change the reading of the instrument

Same as transportation lag

Same as time constant

None of these

Maximum change in the variable that does not change the reading of the instrument

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Process Control and Instrumentation
The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is

5π/12

π/6

π/3

π/12

5π/12

π/6

π/3

π/12

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Process Control and Instrumentation
Pirani gauge is used for the measurement of

High vacuum

Liquid level at atmospheric pressure

Very high pressure

Liquid level under pressure

High vacuum

Liquid level at atmospheric pressure

Very high pressure

Liquid level under pressure

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Process Control and Instrumentation

Process Control and Instrumentation The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is

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

Process Control and Instrumentation For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.

Process Control and Instrumentation Dead zone is the

Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is

Process Control and Instrumentation Pirani gauge is used for the measurement of

Process Control and Instrumentation
The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is

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

Process Control and Instrumentation
For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.

Process Control and Instrumentation
Dead zone is the

Process Control and Instrumentation
The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is

Process Control and Instrumentation
Pirani gauge is used for the measurement of