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 -180° -90° 45° -45° -180° -90° 45° -45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 39 and 350 - 79 and 395 - 51 and 439 - 10 and 425 - 39 and 350 - 79 and 395 - 51 and 439 - 10 and 425 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a U-tube manometer Thermocouple kept immersed in a liquid filled thermowell CSTR with first order reaction Spring loaded diaphragm valve U-tube manometer Thermocouple kept immersed in a liquid filled thermowell CSTR with first order reaction Spring loaded diaphragm valve ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. Chromel-alumel None of these Iron-constantan Platinum-platinum/rhodium Chromel-alumel None of these Iron-constantan Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate through an orifice is __________ the pressure differential. Proportional to the square root of Proportional to Inversely proportional to the square of Inversely proportional to the square root of Proportional to the square root of Proportional to Inversely proportional to the square of Inversely proportional to the square root of ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Reset rate is the another term used for __________ time. Dead Derivative Integral None of these Dead Derivative Integral None of these ANSWER DOWNLOAD EXAMIANS APP
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