Process Control and Instrumentation The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of 2.0 4.0 1.0 0.5 2.0 4.0 1.0 0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The response of two tanks of same size and resistance in series is Under damped None of these Over damped Critically damped Under damped None of these Over damped Critically damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means More than one feed-back loop One feed-back loop Feed forward control On-off control More than one feed-back loop One feed-back loop Feed forward control On-off control 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 4 2 1 3 4 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer Radiation pyrometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a Mercury thermometer Beckman thermometer Dilatometer Bimetallic thermometer Mercury thermometer Beckman thermometer Dilatometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP