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Process Control and Instrumentation

Process Control and Instrumentation
For an input forcing function, X(t) = 2t², the Laplace transform of this function is

4/s²
2/s³
4/s³
2/s²

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Process Control and Instrumentation
Which of the following fluid flow measuring devices can measure the largest flow rate?

Weir
V-notch
Rotameter
Orificemeter

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Process Control and Instrumentation
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Chromel-alumel
Either A, B or C
Iron-constantan
Platinum-platinum+rhodium

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Process Control and Instrumentation
pH meter has

No cell
Three cells
Two cells
One cell

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Process Control and Instrumentation
Pressure of 0.0001 absolute psi can be measured by __________ gauge

None of these
Thermocouple
Mcloid
Pirani

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Process Control and Instrumentation
The unit of 'time constant' of a system is the same as that of

Velocity
Time
None of these
(time)⁻¹

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