In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the ______________ variable?
A. Load
B. Controlled
C. Manipulated
D. None of these
A. Load
B. Controlled
C. Manipulated
D. None of these
A. d
B. d2
C. d3
D. d4
A. A.R. vs. phase lag of first order
B. A.R. vs. phase lag of second order
C. Closed loop values vs. open loop values
D. Frequency response values of controllers
Nichol’s chart deals with __________________? Read More »
Process Control and Instrumentation A. Circular
B. Semi-circular
C. Helical
D. Spiral
Configuration of Bourdon spring tube is never made of _____________ shape? Read More »
Process Control and Instrumentation A. Piston type meter
B. Rotameter
C. Magnetic flow meter
D. Orifice and tapered plug meter
Which of the following is not a variable area flow meter ? Read More »
Process Control and Instrumentation A. Reducing value of Kc
B. Introducing integral control
C. Introducing derivative control
D. None of the above
A. X
B. X2
C. 1/X
D. 1
What is the Laplace transform of impulse input having magnitude „X‟ ? Read More »
Process Control and Instrumentation A. Atmospheric
B. Absolute
C. Vacuum
D. Gage
An aneroid barometer measures the _____________ pressure? Read More »
Process Control and Instrumentation A. Velocity
B. Time
C. (Time)-1
D. None of these
The unit of ‘time constant’ of a system is the same as that of___________________? Read More »
Process Control and Instrumentation A. Nyquist
B. Mikhailov
C. Ruth
D. None of these
____________ stability method uses open loop transfer function? Read More »
Process Control and Instrumentation