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 Depends only upon the open loop transfer function Determines its stability Is the same for set point or load changes All of these Depends only upon the open loop transfer function Determines its stability Is the same for set point or load changes All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by Reducing the volume of the capillary to a minimum Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the receiving element to a minimum All of these Reducing the volume of the capillary to a minimum Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the receiving element to a minimum All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Gain margin is equal to the Reciprocal of amplitude ratio Gain in P-I controller Gain in P controller Amplitude ratio Reciprocal of amplitude ratio Gain in P-I controller Gain in P controller Amplitude ratio ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is 45° -90° -180° -45° 45° -90° -180° -45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is Ethylene glycol Carbon tetrachloride Water Paraffin Ethylene glycol Carbon tetrachloride Water Paraffin ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point' Rankine Farenhite Reumur Celcius Rankine Farenhite Reumur Celcius ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS