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Process Control and Instrumentation

Process Control and Instrumentation
Liquid flow rate in an open channel can not be measured by a/an

Cipolletti weir
V-notch
Rectangular weir
Orifice meter

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Process Control and Instrumentation
Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an

Hot wire anemometer
Orificemeter
Venturimeter
Magnetic flow meter

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Process Control and Instrumentation
A typical example of a physical system with under damped characteristic is a

Spring loaded diaphragm valve
Thermocouple kept immersed in a liquid filled thermowell
CSTR with first order reaction
U-tube manometer

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Process Control and Instrumentation
Working principle of mercury in glass thermometer is

Volumetric expansion
Pressure rise with temperature
Linear expansion
None of these

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Process Control and Instrumentation
Mcleoid gauge is used to measure the

Flow rate
Point velocity
Pressure
Vacuum

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Process Control and Instrumentation
Thermocouple in a thermal well behaves as a true

Multiple first order system
Second order system (overdamped)
Second order system (underdamped)
First order system

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