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

Exponential decrease

Increase

No change

Decrease

Exponential decrease

Increase

No change

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Process Control and Instrumentation
Which of the following is not classified as a thermo electric pyrometer

Resistance thermometer

Thermocouple

Radiation pyrometer

Optical pyrometer (disappearing filament type)

Resistance thermometer

Thermocouple

Radiation pyrometer

Optical pyrometer (disappearing filament type)

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Process Control and Instrumentation
Thermal conductivity measurement is used for the determination of

O₂ percentage in the flue gas

CO₂ percentage in the flue gas

Specific gravity of petrofuels

Composition of an alloy

O₂ percentage in the flue gas

CO₂ percentage in the flue gas

Specific gravity of petrofuels

Composition of an alloy

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Process Control and Instrumentation
Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale.

Kelvin

Reaumer

Fahrenheit

Centigrade

Kelvin

Reaumer

Fahrenheit

Centigrade

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Process Control and Instrumentation
A pyrheliometer is an instrument used for measuring the

Diffuse radiation

Bright sunshine period

None of these

Beam radiation

Diffuse radiation

Bright sunshine period

None of these

Beam radiation

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Process Control and Instrumentation
Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the

Enhancement or attentuation of redia-tion occurs in the sighting path

Object and surrounding are at almost the same temperature

Object has varying emissivity

Object is transparent

Enhancement or attentuation of redia-tion occurs in the sighting path

Object and surrounding are at almost the same temperature

Object has varying emissivity

Object is transparent

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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 Which of the following is not classified as a thermo electric pyrometer

Process Control and Instrumentation Thermal conductivity measurement is used for the determination of

Process Control and Instrumentation Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale.

Process Control and Instrumentation A pyrheliometer is an instrument used for measuring the

Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the

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
Which of the following is not classified as a thermo electric pyrometer

Process Control and Instrumentation
Thermal conductivity measurement is used for the determination of

Process Control and Instrumentation
Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale.

Process Control and Instrumentation
A pyrheliometer is an instrument used for measuring the

Process Control and Instrumentation
Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the