Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A second order system A first order system A first order time lag Dead time system A second order system A first order system A first order time lag Dead time system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Mercury Water Methyl alcohal Carbon-tetrachloride Mercury Water Methyl alcohal Carbon-tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh stability method uses __________ loop transfer function. Closed Either A or B Neither A nor B Open Closed Either A or B Neither A nor B Open 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 90° at the most Approaches 180° asymptotically Is 120° Is 30° Is 90° at the most Approaches 180° asymptotically Is 120° Is 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a secondary element. Bourdon tube None ofthese Bulb Pointer Bourdon tube None ofthese Bulb Pointer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system Determines its stability All of these Depends only upon the open loop transfer function Is the same for set point or load changes Determines its stability All of these Depends only upon the open loop transfer function Is the same for set point or load changes ANSWER DOWNLOAD EXAMIANS APP
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