Curioustab

Home » Chemical Engineering » Process Control and Instrumentation

Working principle of radiation pyrometer is based on the

Wien's law
Kirchoffs law
stefan-Boltzman law
Seebeck effect

Correct Answer: stefan-Boltzman law

← Previous Question Next Question→

More Questions from Process Control and Instrumentation

Flow rate through an orifice is __________ the pressure differential.
Bode stability method uses __________ loop transfer function.
Dead zone in an instrument must be less than __________ percent of the scale.
Liquid levels in autocalves are measued by
Process degree of freedom indicates __________ number of controllers to be used.
The transfer function of a pure dead time system with dead time τd is
Gas analysis is commonly done using the
A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same
Suppose that the gain, time constant and dead time of a process with the following transfer function:Gc(s) = 10 exp( - 0.1s)/(0.5s + 1) are known with a possible error of ± 20% of their values. The largest permissible gain Kc of a proportional controller needs to be calculated below taking the values of process gain, time constant and dead time as
For a feed back control system to be stable, the

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion