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Process Control and Instrumentation

Process Control and Instrumentation
The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly

Non-linear
Parabolic
Linear
Hyperbolic

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Process Control and Instrumentation
Radiation thermometer can not measure the temperature

Inside a pressure vessel
Of an object without coming in contact with it
Of moving objects at high temperature
Of liquid oxygen

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Process Control and Instrumentation
With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer

Decreases
Increases exponentially
Remains constant
Increases

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Process Control and Instrumentation
Temperature of __________ can not be measured by an optical or radiation pyrometer.

Combustion space in boilers
Molten slag flowing out of blast furnace
Hot blast (air) from stoves
Rotary limestone calcination kiln

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Process Control and Instrumentation
Mcleoid gauge is used to measure the

Flow rate
Pressure
Vacuum
Point velocity

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Process Control and Instrumentation
Polarisation of light forms the working principle of a

Chromatograph
Polarimeter
Spectrometer
Polarograph

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