Pick out the wrong statement.
A. There is no transfer lag for a single first order system
B. Stirred tank with a water jacket exemplifies an interacting system
C. Transfer lag is a characteristics of all higher order systems (other than first order systems)
D. Transfer lag decreases as the number of stages decreases
Answer: Option D
This Question Belongs to Chemical Engineering >> Process Control And Instrumentation
Phase lag of the frequency response of a second order system to a sinusoidal forcing function
A. Is 30°
B. Is 90° at the most
C. Approaches 180° asymptotically
D. Is 120°
Which of the following is not classified as a thermo electric pyrometer?
A. Resistance thermometer
B. Thermocouple
C. Optical pyrometer (disappearing filament type)
D. Radiation pyrometer
A. Chromel-alumel
B. Iron-constantan
C. Platinum-platinum/rhodium
D. None of these
Join The Discussion