Process Control and Instrumentation Use of I-control along with P-control facilitates Elimination of offset None of these Reduction of offset Reduction of stability time Elimination of offset None of these Reduction of offset Reduction of stability time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A first order time lag Dead time system A first order system A second order system A first order time lag Dead time system A first order system A second order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Gas chromatography is used for the measurement of Flow rate Temperature Pressure Concentration Flow rate Temperature Pressure Concentration ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit Undamped response Unstable response Overdamped response Underdamped response Undamped response Unstable response Overdamped response Underdamped response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Nickel Copper 30% iron + 70% nickel Lead Nickel Copper 30% iron + 70% nickel Lead ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Copper-constantan Platinum-platinum/rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum/rhodium Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP