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?

CO₂

O₂

N₂

CO

CO₂

O₂

N₂

CO

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Process Control and Instrumentation
Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is

Chromel-alumel

Platinum-platinum+rhodium

None of these

Iron-constantan

Chromel-alumel

Platinum-platinum+rhodium

None of these

Iron-constantan

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Process Control and Instrumentation
Pick out the first order system from among the following.

Interacting system of two tanks in series

Mercury in glass thermometer kept in boiling water

Damped vibrator

Non-interacting system of two tanks in series

Interacting system of two tanks in series

Mercury in glass thermometer kept in boiling water

Damped vibrator

Non-interacting system of two tanks in series

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Process Control and Instrumentation
The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple.

None of these

Chromel-alumel

Iron-constantan

Platinum-platinum/rhodium

None of these

Chromel-alumel

Iron-constantan

Platinum-platinum/rhodium

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Process Control and Instrumentation
A typical example of a physical system with under damped characteristic is a

U-tube manometer

CSTR with first order reaction

Spring loaded diaphragm valve

Thermocouple kept immersed in a liquid filled thermowell

U-tube manometer

CSTR with first order reaction

Spring loaded diaphragm valve

Thermocouple kept immersed in a liquid filled thermowell

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Process Control and Instrumentation
Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C.

< 0

> 0

< 100

> 800

< 0

> 0

< 100

> 800

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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 800°C is about 31 mV. The type of thermocouple used is

Process Control and Instrumentation Pick out the first order system from among the following.

Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple.

Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a

Process Control and Instrumentation Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C.

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 800°C is about 31 mV. The type of thermocouple used is

Process Control and Instrumentation
Pick out the first order system from among the following.

Process Control and Instrumentation
The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple.

Process Control and Instrumentation
A typical example of a physical system with under damped characteristic is a

Process Control and Instrumentation
Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C.