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Process Control and Instrumentation

Process Control and Instrumentation
Transfer function of transportation lag is

None of these
ETS
1/(TS + 1)
E-TS

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Process Control and Instrumentation
Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C?

Photoelectric pyrometer
Thermocouples
Radiation pyrometer
Optical pyrometer

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Process Control and Instrumentation
The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of

1.0
4.0
2.0
0.5

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Process Control and Instrumentation
__________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point'

Rankine
Farenhite
Celcius
Reumur

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

None of these
Nyquist
Mikhalov
Ruth

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Process Control and Instrumentation
Dead zone is the

Same as transportation lag
Maximum change in the variable that does not change the reading of the instrument
None of these
Same as time constant

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