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?

O₂

CO

N₂

CO₂

O₂

CO

N₂

CO₂

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Process Control and Instrumentation
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Platinum-platinum+rhodium

Either A, B or C

Iron-constantan

Chromel-alumel

Platinum-platinum+rhodium

Either A, B or C

Iron-constantan

Chromel-alumel

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Process Control and Instrumentation
Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C.

0.001

0.01

0.0001

0.1

0.001

0.01

0.0001

0.1

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Process Control and Instrumentation
What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple?

13

3

29

0.1

13

3

29

0.1

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Process Control and Instrumentation
Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value.

100

63.2

87.5

95

100

63.2

87.5

95

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Process Control and Instrumentation
Pyrometry refers to the measurement of temperature

All of these

Which is of higher magnitude

With the mercurial thermometer upto 350°C

Directly

All of these

Which is of higher magnitude

With the mercurial thermometer upto 350°C

Directly

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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 Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Process Control and Instrumentation Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C.

Process Control and Instrumentation What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple?

Process Control and Instrumentation Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value.

Process Control and Instrumentation Pyrometry refers to the measurement of temperature

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
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Process Control and Instrumentation
Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C.

Process Control and Instrumentation
What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple?

Process Control and Instrumentation
Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value.

Process Control and Instrumentation
Pyrometry refers to the measurement of temperature