Process Control and Instrumentation

Which of the following is not a differential pressure flow meter ?

Byadmin March 5, 2019August 24, 2021

Which of the following is not a differential pressure flow meter ?

A. Rotameter
B. Flow nozzle
C. Orificemeter
D. Venturimeter

Process Control and Instrumentation

Composition of alloys can be determined by _________________?

Composition of alloys can be determined by _________________?

A. Polarograph
B. Chromatograph
C. Refractometer
D. None of these

Read More Composition of alloys can be determined by _________________?
Process Control and Instrumentation

Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity ?

Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity ?

A. CO2
B. N2
C. O2
D. CO

Read More Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity ?
Process Control and Instrumentation

Which of the following does not figure in the list of seven substances selected for international temperature scale ?

Which of the following does not figure in the list of seven substances selected for international temperature scale ?

A. Ice (F.P) and steam (B.P)
B. Oxygen and sulphur (B.P)
C. Antimony and silver (F.P)
D. Zinc (B.P) and mercury (F.P)

Read More Which of the following does not figure in the list of seven substances selected for international temperature scale ?
Process Control and Instrumentation

Which of the following is a ‘contact’ pyrometer ?

Which of the following is a ‘contact’ pyrometer ?

A. Resistance pyrometer
B. Optical pyrometer
C. Radiation pyrometer
D. Infra red pyrometer

Read More Which of the following is a ‘contact’ pyrometer ?
Process Control and Instrumentation

Which of the following is the dynamic characteristics of an instrument ?

Which of the following is the dynamic characteristics of an instrument ?

A. Reproducibility
B. Sensitivity
C. Dead zone
D. Fidelity

Read More Which of the following is the dynamic characteristics of an instrument ?
Process Control and Instrumentation

Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion ?

Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion ?

A. Nickel
B. Brass
C. Chromel
D. Invar

Read More Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion ?

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