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.

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.

350

550

250

700

350

550

250

700

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Process Control and Instrumentation
Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an

Chromel-alumel thermocouple

Either B or C

Radiation pyrometer

Optical pyrometer

Chromel-alumel thermocouple

Either B or C

Radiation pyrometer

Optical pyrometer

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Process Control and Instrumentation
The response of two tanks of same size and resistance in series is

Over damped

None of these

Under damped

Critically damped

Over damped

None of these

Under damped

Critically damped

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Process Control and Instrumentation
Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³.

100

10

50

1

100

10

50

1

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Process Control and Instrumentation
Thermodynamic celcius scale of temperature measurement is

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

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

Both A&B Here

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

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Process Control and Instrumentation
What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?

None of these

1

>1

< 1

None of these

1

>1

< 1

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Process Control and Instrumentation

Process Control and Instrumentation Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an

Process Control and Instrumentation The response of two tanks of same size and resistance in series is

Process Control and Instrumentation Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³.

Process Control and Instrumentation Thermodynamic celcius scale of temperature measurement is

Process Control and Instrumentation What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?

Process Control and Instrumentation
Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an

Process Control and Instrumentation
The response of two tanks of same size and resistance in series is

Process Control and Instrumentation
Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³.

Process Control and Instrumentation
Thermodynamic celcius scale of temperature measurement is

Process Control and Instrumentation
What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?