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Process Control and Instrumentation

Process Control and Instrumentation
A pyranometer is an instrument used for measuring the

Bright sunshine period
Global radiation
None of these
Beam radiation

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Process Control and Instrumentation
Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is

Platinum-platinum+rhyodium
Iron-constantan
Platinum-rhodium
Chromel-alumel

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

None of these
Isotopes
Solids
Alloys

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Process Control and Instrumentation
All the thermocouples used for temperature measurement use dissimilar metal

Bars
Wires
Beads
Strips

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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
Velocity
(time)⁻¹
Time

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Process Control and Instrumentation
If response of a control system is to be free of offset and oscillation, the most suitable controller is

Proportional integral-derivative (PID) controller
Proportional-derivative(PD)controller
Proportional-integral (PI) controller
Proportional controller

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