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Process Control and Instrumentation

Process Control and Instrumentation
Which of the following thermocouples can measure the maximum temperature?

Chromel-alumel
Iron-constantan
Tungsten-molybdenum
Platinum-rhodium

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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
0 to 150
500 to 900
-200 to 150

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Process Control and Instrumentation
Measurement of pressure in ammonia reactor is done by

Bourdon gauge
Inclined tube manometer
Pirani guage
U-tube manometer

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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

Turbine flowmeter
Flow nozzle type flowmeter
Pitot tube
Magnetic flowmeter

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Process Control and Instrumentation
Continuous measurement of specific gravity of a liquid is done by

Both A and C
Contact-type electric indicators
Hydrometer
Displacement meter

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