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 1 2 4 3 1 2 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 120° Is 30° Is 90° at the most Approaches 180° asymptotically Is 120° Is 30° Is 90° at the most Approaches 180° asymptotically ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Radiation pyrometer Thermocouple Optical pyrometer (disappearing filament type) Resistance thermometer Radiation pyrometer Thermocouple Optical pyrometer (disappearing filament type) Resistance thermometer 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. Iron-constantan Chromel-alumel None of these Platinum-platinum/rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ are analysed using a polarograph. Gases Solids Liquids Isotonic solutions Gases Solids Liquids Isotonic solutions ANSWER DOWNLOAD EXAMIANS APP
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