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 Which of the following can not measure a temperature of 1600°C ? Platinum resistance thermometer Photo-electric pyrometer Thermocouple Radiation pyrometer Platinum resistance thermometer Photo-electric pyrometer Thermocouple Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a secondary element. Bulb Bourdon tube Pointer None ofthese Bulb Bourdon tube Pointer None ofthese ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Photoelectric pyrometers are suitable in the temperature range of __________ °C. 800-2500 400-1000 400-1600 800-1600 800-2500 400-1000 400-1600 800-1600 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High fidelity High measuring lag Poor reproducibility High drift High fidelity High measuring lag Poor reproducibility High drift ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Flux density Current Voltage Light intensity Flux density Current Voltage Light intensity ANSWER DOWNLOAD EXAMIANS APP
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