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

Carbon-tetrachloride

Water

Mercury

Methyl alcohal

Carbon-tetrachloride

Water

Mercury

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Either A, B or C

Platinum-platinum+rhodium

Chromel-alumel

Iron-constantan

Either A, B or C

Platinum-platinum+rhodium

Chromel-alumel

Iron-constantan

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
Phase lag of the frequency response of a second order system to a sinusoidal forcing function

Is 30°

Is 120°

Approaches 180° asymptotically

Is 90° at the most

Is 30°

Is 120°

Approaches 180° asymptotically

Is 90° at the most

ANSWER DOWNLOAD EXAMIANS APP

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

< 1

>1

1

None of these

< 1

>1

1

None of these

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
Starting temperature of optical radiation pyrometer is __________ °C.

1500

800

1200

400

1500

800

1200

400

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system

Is the same for set point or load changes

Determines its stability

Depends only upon the open loop transfer function

All of these

Is the same for set point or load changes

Determines its stability

Depends only upon the open loop transfer function

All of these

ANSWER DOWNLOAD EXAMIANS APP

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 Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function

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 Starting temperature of optical radiation pyrometer is __________ °C.

Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system

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
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Process Control and Instrumentation
Phase lag of the frequency response of a second order system to a sinusoidal forcing function

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
Starting temperature of optical radiation pyrometer is __________ °C.

Process Control and Instrumentation
The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system