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

CO₂

N₂

CO

O₂

CO₂

N₂

CO

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Process Control and Instrumentation
Time constant is the

Same as transportation lag

Time required by the measured variable to reach 63.2% of its ultimate change

Time taken by the controlled variable to reach 63.2% of its full change

Same as dead time

Same as transportation lag

Time required by the measured variable to reach 63.2% of its ultimate change

Time taken by the controlled variable to reach 63.2% of its full change

Same as dead time

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Process Control and Instrumentation
Zirconia probe is used for the measurement of

Speed of a submarine

Humidity of air

% O₂ in flue gas

% CO₂ in flue gas

Speed of a submarine

Humidity of air

% O₂ in flue gas

% CO₂ in flue gas

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Process Control and Instrumentation
The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of

0.5

1.0

2.0

4.0

0.5

1.0

2.0

4.0

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Process Control and Instrumentation
Response of a system to a sinusoidal input is called __________ response.

Impluse

Unit step

Frequency

None of these

Impluse

Unit step

Frequency

None of these

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Process Control and Instrumentation
Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by

Accounting for the tube expansion

Using steel tube in place of glass tube

Filling nitrogen under pressure in the stem

Increasing the diameter of the tube

Accounting for the tube expansion

Using steel tube in place of glass tube

Filling nitrogen under pressure in the stem

Increasing the diameter of the tube

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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 Time constant is the

Process Control and Instrumentation Zirconia probe is used for the measurement of

Process Control and Instrumentation The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of

Process Control and Instrumentation Response of a system to a sinusoidal input is called __________ response.

Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C 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?

Process Control and Instrumentation
Time constant is the

Process Control and Instrumentation
Zirconia probe is used for the measurement of

Process Control and Instrumentation
The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of

Process Control and Instrumentation
Response of a system to a sinusoidal input is called __________ response.

Process Control and Instrumentation
Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by