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
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?

N₂

CO₂

CO

O₂

N₂

CO₂

CO

O₂

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Process Control and Instrumentation
Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively

- 273° & 80°

32° & 80°

32° & 460°

0° & 80°

- 273° & 80°

32° & 80°

32° & 460°

0° & 80°

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Process Control and Instrumentation
Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are

Air to open valve with the controller indirect acting

Air to close valve with the controller indirect acting

Air to open valve with the controller direct acting

Air to close valve with the controller direct acting

Air to open valve with the controller indirect acting

Air to close valve with the controller indirect acting

Air to open valve with the controller direct acting

Air to close valve with the controller direct acting

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Process Control and Instrumentation
Which of the following is not classified as a thermo electric pyrometer

Radiation pyrometer

Resistance thermometer

Optical pyrometer (disappearing filament type)

Thermocouple

Radiation pyrometer

Resistance thermometer

Optical pyrometer (disappearing filament type)

Thermocouple

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Process Control and Instrumentation
Which of the following thermocouple materials does not contain nickel?

Alumel

Constantan

None of these

Chromel

Alumel

Constantan

None of these

Chromel

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Process Control and Instrumentation
Flow rate through an orifice is __________ the pressure differential.

Proportional to the square root of

Inversely proportional to the square of

Proportional to

Inversely proportional to the square root of

Proportional to the square root of

Inversely proportional to the square of

Proportional to

Inversely proportional to the square root of

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Process Control and Instrumentation

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?

Process Control and Instrumentation Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively

Process Control and Instrumentation Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are

Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer

Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel?

Process Control and Instrumentation Flow rate through an orifice is __________ the pressure differential.

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?

Process Control and Instrumentation
Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively

Process Control and Instrumentation
Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are

Process Control and Instrumentation
Which of the following is not classified as a thermo electric pyrometer

Process Control and Instrumentation
Which of the following thermocouple materials does not contain nickel?

Process Control and Instrumentation
Flow rate through an orifice is __________ the pressure differential.