Process Control and Instrumentation Pick out the first order system from among the following. Interacting system of two tanks in series Non-interacting system of two tanks in series Damped vibrator Mercury in glass thermometer kept in boiling water Interacting system of two tanks in series Non-interacting system of two tanks in series Damped vibrator Mercury in glass thermometer kept in boiling water ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure. 630.74 961.93 1261.93 1064.43 630.74 961.93 1261.93 1064.43 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 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 Platinum-platinum/rhodium Iron-constantan None of these Chromel-alumel Platinum-platinum/rhodium Iron-constantan None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of moisture in paper is done by Hair-hygrometer High resistance Wheatstone's bridge circuit Weighing Sling psychrometer Hair-hygrometer High resistance Wheatstone's bridge circuit Weighing Sling psychrometer 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 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
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