What is the overall transfer function (C/R) of the following block diagram if G = G1. G2. G3 and H = H1.H2 ?
A. 1/(1 + GH)
B. G/(1 + GH)
C. H/(1 + GH)
D. G/(1 – GH)
Process Control and Instrumentation
Very low pressure is expressed in microns (μ), which is equal to ____________ mm of Hg column (absolute) at 0°C?
Very low pressure is expressed in microns (μ), which is equal to ____________ mm of Hg column (absolute) at 0°C?
A. 0.0001
B. 0.001
C. 0.01
D. 0.1
The time constant of a first order process with resistance R and capacitance C is__________________?
The time constant of a first order process with resistance R and capacitance C is__________________?
A. R + C
B. R – C
C. RC
D. 1/RC
A bolometer is __________________?
A bolometer is __________________?
A. Used for the measurement of thermal radiation
B. An element which senses optical input and delivers thermal output
C. Both A. & B.
D. Neither A. nor B.