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Process Control and Instrumentation

Accurate temperature measurement performance of a radiation pyrometer cannot be affected, if the ?

Process Control and Instrumentation /
Accurate temperature measurement performance of a radiation pyrometer cannot be affected, if the ?

A. Enhancement or attenuation of radiation occurs in the sighting path
B. Object and surrounding are at almost the same temperature
C. Object has varying emissivity
D. Object is transparent

Accurate temperature measurement performance of a radiation pyrometer cannot be affected, if the ? Read More »

Process Control and Instrumentation

The open loop transfer function of a process is K [{(s + 1) (s + 4)}/{(s + 2) (s + 3)}]. In the root locus diagram, the poles will be at ___________________?

Process Control and Instrumentation /
The open loop transfer function of a process is K [{(s + 1) (s + 4)}/{(s + 2) (s + 3)}]. In the root locus diagram, the poles will be at ___________________?

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

The open loop transfer function of a process is K [{(s + 1) (s + 4)}/{(s + 2) (s + 3)}]. In the root locus diagram, the poles will be at ___________________? Read More »

Process Control and Instrumentation

A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is______________?

Process Control and Instrumentation /
A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is______________?

A. 45°
B. -90°
C. -180°
D. -45°

A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is______________? Read More »

Process Control and Instrumentation