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Process Control and Instrumentation

Process Control and Instrumentation
Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.

< 0
> 100
> 50
0-100

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Process Control and Instrumentation
Concentration of sugar solution can be determined by the

Emission spectroscopy
Polarimetry
Oscillometry
Flame photometry

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Process Control and Instrumentation
The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple.

Iron-constantan
Platinum-platinum/rhodium
Chromel-alumel
None of these

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Process Control and Instrumentation
Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C.

< 0
> 0
> 800
< 100

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

Weir
Rotameter
V-notch
Orificemeter

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Process Control and Instrumentation
Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is

Iron-constantan
Chromel-alumel
Platinum-platinum+rhyodium
Platinum-rhodium

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