Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic?

Process Control and Instrumentation
Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic?

NO₂

O₂

CO₂

NO

NO₂

O₂

CO₂

NO

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Process Control and Instrumentation
Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury.

550

350

250

700

550

350

250

700

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Process Control and Instrumentation
Thermodynamic celcius scale of temperature measurement is

Having an interval of 100° between ice point to steam point

Both A&B Here

Having an interval of 100° between ice point to steam point

Defined on the basis of melting point of ice and evaporation temperature of water vapor

Having an interval of 100° between ice point to steam point

Both A&B Here

Having an interval of 100° between ice point to steam point

Defined on the basis of melting point of ice and evaporation temperature of water vapor

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Process Control and Instrumentation
Which thermocouple can be used to measure a temperature of around 1400°C ?

Platinum-platinum+rhodium

None of these

Copper-constantan

Aluminium-chromel

Platinum-platinum+rhodium

None of these

Copper-constantan

Aluminium-chromel

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Process Control and Instrumentation
Which is the strongest paramagnetic gas?

O₂

NO₂

CO₂

NO

O₂

NO₂

CO₂

NO

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Process Control and Instrumentation
A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is

-45°

45°

-180°

-90°

-45°

45°

-180°

-90°

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Process Control and Instrumentation

Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic?

Process Control and Instrumentation Thermodynamic celcius scale of temperature measurement is

Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ?

Process Control and Instrumentation Which is the strongest paramagnetic gas?

Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is

Process Control and Instrumentation
Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic?

Process Control and Instrumentation
Thermodynamic celcius scale of temperature measurement is

Process Control and Instrumentation
Which thermocouple can be used to measure a temperature of around 1400°C ?

Process Control and Instrumentation
Which is the strongest paramagnetic gas?

Process Control and Instrumentation
A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is