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Process Control and Instrumentation

Process Control and Instrumentation
Paramagnetism method is not used for the composition determination of __________ in gases.

Any of these
Carbon dioxide
Oxygen
Oxides of nitrogen

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Process Control and Instrumentation
Which of the following temperature measuring instruments need not touch the object whose temperature is being measured?

Filled system thermometer
Thermo electric pyrometer
Mercury in glass thermometer
Radiation/infrared pyrometer

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Process Control and Instrumentation
Phase lag of the sinusoidal response of a first order system is

120°
180°
30°
90°

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Process Control and Instrumentation
A barometer measures the __________ pressure.

Dynamic
Absolute
Absolute as well as gauge
Gauge

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Process Control and Instrumentation
A mercury thermometer can not be used to measure the temperature below the freezing point of mercury, which is __________ °C.

-38.9
-11.9
-60.9
-80.9

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Process Control and Instrumentation
Polarograph is meant for the analysis of

Isotopes
Miscible liquids
Solids
Gaseous mixture

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