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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

Orifice meter
Cipolletti weir
Rectangular weir
V-notch

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Process Control and Instrumentation
The temperature range for which copper resistance thermometer can be used is __________ °C

350 to 750
500 to 900
0 to 150
-200 to 150

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Process Control and Instrumentation
Routh stability method uses __________ loop transfer function.

Either A or B
Neither A nor B
Open
Closed

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Process Control and Instrumentation
Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their

Low electrical conductivity
Low flash point
Low thermal conductivity
High viscosity index

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Process Control and Instrumentation
Psychrometer determines the

Humidity of gases
Hygroscopic nature of solids
Water of crystallisation
Moisture content of solids

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Process Control and Instrumentation
Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a

Pitot tube
Flow nozzle type flowmeter
Turbine flowmeter
Magnetic flowmeter

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