Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?

Process Control and Instrumentation
Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?

Methyl alcohal

Mercury

Carbon-tetrachloride

Water

Methyl alcohal

Mercury

Carbon-tetrachloride

Water

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Process Control and Instrumentation
Which of the following is a desirable characteristic of an instrument?

High measuring lag

High fidelity

Poor reproducibility

High drift

High measuring lag

High fidelity

Poor reproducibility

High drift

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Process Control and Instrumentation
A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is

-1

1

43838

44020

-1

1

43838

44020

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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
A non-linear chemical system is exemplified by a/an

Isothermal CSTR

Mixer

Non-isothermal CSTR

None of these

Isothermal CSTR

Mixer

Non-isothermal CSTR

None of these

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Process Control and Instrumentation
Turbine flow meters are suitable for

Both B and C

Aerospace and in air borne applications

Cryogenic flow measurements

Very limited flow ranges

Both B and C

Aerospace and in air borne applications

Cryogenic flow measurements

Very limited flow ranges

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Process Control and Instrumentation

Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?

Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument?

Process Control and Instrumentation A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is

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 A non-linear chemical system is exemplified by a/an

Process Control and Instrumentation Turbine flow meters are suitable for

Process Control and Instrumentation
Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?

Process Control and Instrumentation
Which of the following is a desirable characteristic of an instrument?

Process Control and Instrumentation
A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is

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
A non-linear chemical system is exemplified by a/an

Process Control and Instrumentation
Turbine flow meters are suitable for