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 -90° 45° -180° -45° -90° 45° -180° -45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Response of a linear control system for a change in set point is called Regulator problem Frequency response Transient response Servo problem Regulator problem Frequency response Transient response Servo problem ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Same as transportation lag Same as dead time Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Same as dead time Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage pressure transducers are used to measure __________ pressures. Absolute as well as differential Gage as well as vacuum Neither A nor B Both A & B Here Absolute as well as differential Gage as well as vacuum Neither A nor B Both A & B Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Platinum resistance thermometer Thermocouple Bimetallic thermometer Optical pyrometer Platinum resistance thermometer Thermocouple Bimetallic thermometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Measurement of sub-zero Celcius temperature in industry is done most commonly by Thermocouples Bi-metallic thermometers Gas thermometers Resistance thermometers Thermocouples Bi-metallic thermometers Gas thermometers Resistance thermometers ANSWER DOWNLOAD EXAMIANS APP
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