Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature

Process Control and Instrumentation
Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature

Rusting of iron takes place

Embrittlement of iron occurs

Emf produced is very low of the order of microvolt

Both B and C Here

Rusting of iron takes place

Embrittlement of iron occurs

Emf produced is very low of the order of microvolt

Both B and C Here

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?

Nickel

Invar

Brass

Chromel

Nickel

Invar

Brass

Chromel

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C.

- 39 and 350

- 79 and 395

- 51 and 439

- 10 and 425

- 39 and 350

- 79 and 395

- 51 and 439

- 10 and 425

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.

Ratio

Sum

Product

Difference

Ratio

Sum

Product

Difference

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

Determines its stability

Is the same for set point or load changes

All of these

Depends only upon the open loop transfer function

Determines its stability

Is the same for set point or load changes

All of these

Depends only upon the open loop transfer function

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
The unit of 'time constant' of a system is the same as that of

Time

None of these

Velocity

(time)⁻¹

Time

None of these

Velocity

(time)⁻¹

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation

Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature

Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?

Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C.

Process Control and Instrumentation For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.

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 The unit of 'time constant' of a system is the same as that of

Process Control and Instrumentation
Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature

Process Control and Instrumentation
Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?

Process Control and Instrumentation
Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C.

Process Control and Instrumentation
For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.

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
The unit of 'time constant' of a system is the same as that of