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?

CO

O₂

N₂

CO₂

CO

O₂

N₂

CO₂

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Process Control and Instrumentation
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is

54

68

36

12

54

68

36

12

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

Molten slag flowing out of blast furnace

Hot blast (air) from stoves

Rotary limestone calcination kiln

Combustion space in boilers

Molten slag flowing out of blast furnace

Hot blast (air) from stoves

Rotary limestone calcination kiln

Combustion space in boilers

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Process Control and Instrumentation
An amplitude ratio of 0.1 corresponds to __________ decibels.

20

-20

-10

10

20

-20

-10

10

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Process Control and Instrumentation
The function of a transducer is to

Convert the primary signal into a more useful quantity, usually an electric impulse

Modify the input signal

Amplify the input signal

Codify/decodify the input signal

Convert the primary signal into a more useful quantity, usually an electric impulse

Modify the input signal

Amplify the input signal

Codify/decodify the input signal

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Process Control and Instrumentation
Working principle of mercury in glass thermometer is

Pressure rise with temperature

Volumetric expansion

Linear expansion

None of these

Pressure rise with temperature

Volumetric expansion

Linear expansion

None of these

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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 Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is

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

Process Control and Instrumentation An amplitude ratio of 0.1 corresponds to __________ decibels.

Process Control and Instrumentation The function of a transducer is to

Process Control and Instrumentation Working principle of mercury in glass thermometer is

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
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is

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

Process Control and Instrumentation
An amplitude ratio of 0.1 corresponds to __________ decibels.

Process Control and Instrumentation
The function of a transducer is to

Process Control and Instrumentation
Working principle of mercury in glass thermometer is