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Process Control and Instrumentation

Process Control and Instrumentation
Mcleoid gauge is used to measure the

Vacuum
Point velocity
Flow rate
Pressure

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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 transfer function of a pure dead time system with dead time τd is

1/(τds + 1)
Τds + 1
E-τds
Eτds

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Process Control and Instrumentation
Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer.

Optical
None of these
Photoelectric
Radiation

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Process Control and Instrumentation
In an exothermic chemical reactor, the manipulated variable is the flow rate of

Coolant
None of these
Reactants
Product

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Process Control and Instrumentation
Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the

Iron-constantan thermocouple
Mercury in glass thermometer
Alcohol filled thermometer
Optical pyrometer

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