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

4

2

1

3

4

2

1

3

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Process Control and Instrumentation
Continuous measurement of moisture content of paper in paper industry is done by measuring the

Thermal conductivity through the paper

Magnetic susceptibility

None of these

Electrical resistance through the paper

Thermal conductivity through the paper

Magnetic susceptibility

None of these

Electrical resistance through the paper

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Process Control and Instrumentation
Phase lag of the frequency response of a second order system to a sinusoidal forcing function

Is 90° at the most

Approaches 180° asymptotically

Is 120°

Is 30°

Is 90° at the most

Approaches 180° asymptotically

Is 120°

Is 30°

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Process Control and Instrumentation
The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple.

None of these

Chromel-alumel

Iron-constantan

Platinum-platinum/rhodium

None of these

Chromel-alumel

Iron-constantan

Platinum-platinum/rhodium

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Process Control and Instrumentation
Which of the following is a desirable characteristic of an instrument?

High drift

High measuring lag

High fidelity

Poor reproducibility

High drift

High measuring lag

High fidelity

Poor reproducibility

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Process Control and Instrumentation
Compositional analysis of flue gas coming out of a furnace in respect of O₂ and CO₂% can be continuously done by a/an

Chromatograph

Thermal conductivity cell

Orsat apparatus

Zirconia probe

Chromatograph

Thermal conductivity cell

Orsat apparatus

Zirconia probe

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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 Continuous measurement of moisture content of paper in paper industry is done by measuring the

Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function

Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple.

Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument?

Process Control and Instrumentation Compositional analysis of flue gas coming out of a furnace in respect of O₂ and CO₂% can be continuously done by a/an

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
Continuous measurement of moisture content of paper in paper industry is done by measuring the

Process Control and Instrumentation
Phase lag of the frequency response of a second order system to a sinusoidal forcing function

Process Control and Instrumentation
The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple.

Process Control and Instrumentation
Which of the following is a desirable characteristic of an instrument?

Process Control and Instrumentation
Compositional analysis of flue gas coming out of a furnace in respect of O₂ and CO₂% can be continuously done by a/an