Dome temperature of blast furnace stove is most accurately measured by a____________________?

Byadmin March 5, 2019August 24, 2021

Dome temperature of blast furnace stove is most accurately measured by a____________________?

A. Radiation pyrometer
B. platinum-platinum/rhodium thermocouple
C. Iron-constantan thermocouple
D. Platinum resistance thermometer

Process Control and Instrumentation

The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter D. and shape & number of corrugations. Its deflection is proportional to_______________?

The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter D. and shape & number of corrugations. Its deflection is proportional to_______________?

A. d
B. d2
C. d3
D. d4

Read More The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter D. and shape & number of corrugations. Its deflection is proportional to_______________?
Process Control and Instrumentation

The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K (s + 1)/[2 (2s + 1) (3s + 1)] will have a definite number of loci for variation of K from 0 to ∞. The number of loci is_______________?

The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K (s + 1)/[2 (2s + 1) (3s + 1)] will have a definite number of loci for variation of K from 0 to ∞. The number of loci is_______________?

A. 1
B. 2
C. 3
D. 4

Read More The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K (s + 1)/[2 (2s + 1) (3s + 1)] will have a definite number of loci for variation of K from 0 to ∞. The number of loci is_______________?
Process Control and Instrumentation

Stroboscope is used for the measurement of _________________?

Stroboscope is used for the measurement of _________________?

A. Rpm of a flywheel
B. Frequency of light
C. Depression of freezing point
D. Liquid level under pressure

Read More Stroboscope is used for the measurement of _________________?
Process Control and Instrumentation

Response of a linear control system for a change in set point is called __________________?

Response of a linear control system for a change in set point is called __________________?

A. Frequency response
B. Transient response
C. Servo problem
D. Regulator problem

Read More Response of a linear control system for a change in set point is called __________________?
Process Control and Instrumentation

Platinum resistance thermometer can be used upto antimony point which is ____________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?

Platinum resistance thermometer can be used upto antimony point which is ____________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?

A. 961.93
B. 630.74
C. 1064.43
D. 1261.93

Read More Platinum resistance thermometer can be used upto antimony point which is ____________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?
Process Control and Instrumentation

Mcleod gauge is used to measure the __________________?

Mcleod gauge is used to measure the __________________?

A. Point velocity
B. Flow rate
C. Vacuum
D. Pressure

Read More Mcleod gauge is used to measure the __________________?

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