A. 1/(s2 + 2)
B. 1/(s2 – 2s + 3)
C. 1/(s2 + 2s + 2)
D. exp (-20s)/(s2 + 2s – 1)
Which of the systems having following transfer functions is stable ? Read More »
Process Control and Instrumentation A. Solids and metal analysis
B. Determining water purity
C. Determination of CO2 in gases
D. NOx determination
Emission spectroscopy is used for__________________? Read More »
Process Control and Instrumentation A. 800
B. 400
C. 1200
D. 1500
Starting temperature of optical radiation pyrometer is ______________ °C? Read More »
Process Control and Instrumentation A. Gage as well as vacuum
B. Absolute as well as differential
C. Both A. and B.
D. Neither A. nor B.
Strain gage pressure transducers are used to measure _____________ pressures? Read More »
Process Control and Instrumentation A. -1
B. 0
C. 1
D. ∞
A. Atmospheric
B. Gauge
C. Vacuum
D. Absolute
A mercury barometer measures the _____________ pressure? Read More »
Process Control and Instrumentation A. Depends only upon the open loop transfer function
B. Determines its stability
C. Is the same for set point or load changes
D. All A , B & C.
A. Impulse
B. Unit step
C. Frequency
D. None of these
Response of a system to a sinusoidal input is called _____________ response? Read More »
Process Control and Instrumentation A. Gaseous mixture
B. Miscible liquids
C. Solids
D. Isotopes
Polarograph is meant for the analysis of __________________? Read More »
Process Control and Instrumentation A. Elimination of offset
B. Reduction of offset
C. Reduction of stability time
D. None of these
Use of I-control along with P-control facilitates ? Read More »
Process Control and Instrumentation