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 Is the same for set point or load changes All of these Determines its stability Depends only upon the open loop transfer function Is the same for set point or load changes All of these Determines its stability Depends only upon the open loop transfer function ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Gain margin is equal to the Amplitude ratio Gain in P-I controller Reciprocal of amplitude ratio Gain in P controller Amplitude ratio Gain in P-I controller Reciprocal of amplitude ratio Gain in P controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of moisture in paper is done by Sling psychrometer High resistance Wheatstone's bridge circuit Hair-hygrometer Weighing Sling psychrometer High resistance Wheatstone's bridge circuit Hair-hygrometer Weighing ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An amplitude ratio of 0.1 corresponds to __________ decibels. -10 10 -20 20 -10 10 -20 20 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a CSTR with first order reaction Thermocouple kept immersed in a liquid filled thermowell Spring loaded diaphragm valve U-tube manometer CSTR with first order reaction Thermocouple kept immersed in a liquid filled thermowell Spring loaded diaphragm valve U-tube manometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a second order instrument? Mercury in glass thermometer with covering Bare mercury in glass thermometer Pressure gauge with one bellow, two tubes and a tank None of these Mercury in glass thermometer with covering Bare mercury in glass thermometer Pressure gauge with one bellow, two tubes and a tank None of these ANSWER DOWNLOAD EXAMIANS APP
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