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Process Control and Instrumentation

Process Control and Instrumentation
A simple pitot tube measures the

Maximum velocity
Static pressure
Point velocity
Average velocity

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Process Control and Instrumentation
A system with transfer function (2S/4S) + 1 is of __________ order.

2nd
Zero
3rd
1st

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Process Control and Instrumentation
Which is the most suitable instrument for measuring pressure below 3 microns?

Ionisation gauge
Alphatron
Bourdon guage
Mcleoid gauge

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Process Control and Instrumentation
In second order underdamped system,

Decay ratio = overshoot
Decay ratio = (overshoot)²
Overshoot increases for increasing damping co-efficient
Large damping co-efficient means smaller damping

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

Orificemeter
V-notch
Weir
Rotameter

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Process Control and Instrumentation
__________ thermometer can not measure sub-zero (< 0° C) temperature,

Vapor pressure
Resistance
Mercury in glass
Bimetallic

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