Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?

Process Control and Instrumentation
Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?

Invar

Chromel

Brass

Nickel

Invar

Chromel

Brass

Nickel

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

> 0

> 800

< 100

< 0

> 0

> 800

< 100

< 0

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

Frequency

None of these

Unit step

Impluse

Frequency

None of these

Unit step

Impluse

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Process Control and Instrumentation
For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a

High thermal conductivity

Small specific heat

Large area but small mass

All of these

High thermal conductivity

Small specific heat

Large area but small mass

All of these

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Process Control and Instrumentation
A magnetic flowmeter is

Based on the principle of Faraday's law

Based on the linear relationship between the fluid flow rate and the induced voltage

All of these

Capable of measuring the flow rate of slurries and electrolytes

Based on the principle of Faraday's law

Based on the linear relationship between the fluid flow rate and the induced voltage

All of these

Capable of measuring the flow rate of slurries and electrolytes

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Process Control and Instrumentation
Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer.

Radiation

Photoelectric

None of these

Optical

Radiation

Photoelectric

None of these

Optical

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Process Control and Instrumentation

Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?

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

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

Process Control and Instrumentation For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a

Process Control and Instrumentation A magnetic flowmeter is

Process Control and Instrumentation Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer.

Process Control and Instrumentation
Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?

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

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

Process Control and Instrumentation
For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a

Process Control and Instrumentation
A magnetic flowmeter is

Process Control and Instrumentation
Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer.