Process Control and Instrumentation Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing Nitrogen Hydrogen None of these Helium Nitrogen Hydrogen None of these Helium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is 1 3 2 4 1 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High fidelity Poor reproducibility High drift High measuring lag High fidelity Poor reproducibility High drift High measuring lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by Introducing derivative control Reducing value of Kc Introducing integral control None of these Introducing derivative control Reducing value of Kc Introducing integral control None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Zirconia probe is used for the measurement of Speed of a submarine % CO₂ in flue gas Humidity of air % O₂ in flue gas Speed of a submarine % CO₂ in flue gas Humidity of air % O₂ in flue gas ANSWER DOWNLOAD EXAMIANS APP
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