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 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 30° Is 90° at the most Is 120° Approaches 180° asymptotically Is 30° Is 90° at the most Is 120° Approaches 180° asymptotically ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Optical pyrometer (disappearing filament type) Resistance thermometer Radiation pyrometer Thermocouple Optical pyrometer (disappearing filament type) Resistance thermometer Radiation pyrometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. Chromel-alumel None of these Iron-constantan Platinum-platinum/rhodium Chromel-alumel None of these Iron-constantan Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ are analysed using a polarograph. Liquids Gases Solids Isotonic solutions Liquids Gases Solids Isotonic solutions ANSWER DOWNLOAD EXAMIANS APP
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