Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.

Process Control and Instrumentation
Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.

Decrease

Increase

No change

Exponential decrease

Decrease

Increase

No change

Exponential decrease

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Process Control and Instrumentation
A magnetic flowmeter is

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

Based on the principle of Faraday's law

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

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Process Control and Instrumentation
Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C?

Optical pyrometer

Radiation pyrometer

Thermocouples

Photoelectric pyrometer

Optical pyrometer

Radiation pyrometer

Thermocouples

Photoelectric pyrometer

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Process Control and Instrumentation
The term analogous to the electrical current in a thermal system is the

None of these

Heat flow rate

Heat content in the system

Temperature difference

None of these

Heat flow rate

Heat content in the system

Temperature difference

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Process Control and Instrumentation
Temperature measuring instruments are standardised mostly with __________ points of pure substances.

Melting

Both A & B Here

Boiling

Neither A nor B Here

Melting

Both A & B Here

Boiling

Neither A nor B Here

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Process Control and Instrumentation
Measurement of sub-zero Celcius temperature in industry is done most commonly by

Gas thermometers

Thermocouples

Resistance thermometers

Bi-metallic thermometers

Gas thermometers

Thermocouples

Resistance thermometers

Bi-metallic thermometers

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Process Control and Instrumentation

Process Control and Instrumentation Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.

Process Control and Instrumentation A magnetic flowmeter is

Process Control and Instrumentation Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C?

Process Control and Instrumentation The term analogous to the electrical current in a thermal system is the

Process Control and Instrumentation Temperature measuring instruments are standardised mostly with __________ points of pure substances.

Process Control and Instrumentation Measurement of sub-zero Celcius temperature in industry is done most commonly by

Process Control and Instrumentation
Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.

Process Control and Instrumentation
A magnetic flowmeter is

Process Control and Instrumentation
Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C?

Process Control and Instrumentation
The term analogous to the electrical current in a thermal system is the

Process Control and Instrumentation
Temperature measuring instruments are standardised mostly with __________ points of pure substances.

Process Control and Instrumentation
Measurement of sub-zero Celcius temperature in industry is done most commonly by