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?

Water

Methyl alcohal

Mercury

Carbon-tetrachloride

Water

Methyl alcohal

Mercury

Carbon-tetrachloride

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Process Control and Instrumentation
Routh stability method uses __________ loop transfer function.

Open

Neither A nor B

Closed

Either A or B

Open

Neither A nor B

Closed

Either A or B

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Process Control and Instrumentation
A magnetic flowmeter is

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

Based on the principle of Faraday's law

Capable of measuring the flow rate of slurries and electrolytes

All of these

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

Based on the principle of Faraday's law

Capable of measuring the flow rate of slurries and electrolytes

All of these

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Process Control and Instrumentation
For measuring the temperature of a red hot furnace, which is the most suitable instrument?

Bimetallic thermometer

Platinum resistance thermometer

Thermocouple

Optical pyrometer

Bimetallic thermometer

Platinum resistance thermometer

Thermocouple

Optical pyrometer

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Process Control and Instrumentation
Nichol's chart deals with

R. vs. phase lag of first order

Frequency response values of controllers

R. vs. phase lag of second order

Closed loop values vs. open loop values

R. vs. phase lag of first order

Frequency response values of controllers

R. vs. phase lag of second order

Closed loop values vs. open loop values

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Process Control and Instrumentation
Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1).

W = 1/√14, Kc = 45/7√14

W = √(7/6), Kc = 46/3

W = √(7/8), Kc = 45/4

W = 1, Kc = 13

W = 1/√14, Kc = 45/7√14

W = √(7/6), Kc = 46/3

W = √(7/8), Kc = 45/4

W = 1, Kc = 13

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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 Routh stability method uses __________ loop transfer function.

Process Control and Instrumentation A magnetic flowmeter is

Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument?

Process Control and Instrumentation Nichol's chart deals with

Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1).

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
Routh stability method uses __________ loop transfer function.

Process Control and Instrumentation
A magnetic flowmeter is

Process Control and Instrumentation
For measuring the temperature of a red hot furnace, which is the most suitable instrument?

Process Control and Instrumentation
Nichol's chart deals with

Process Control and Instrumentation
Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1).