Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 0.25 0.5 1 1/√2 0.25 0.5 1 1/√2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Degree to which an instrument indicates the changes in measured variable without dynamic error is called its Reproducibility Static characteristics Speed of response Fidielity Reproducibility Static characteristics Speed of response Fidielity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a High thermal conductivity Small specific heat All of these Large area but small mass High thermal conductivity Small specific heat All of these Large area but small mass ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Radiation pyrometer Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Radiation pyrometer Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer can be used to measure the temperature upto __________ °C. 100 250 750 350 100 250 750 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Turbine flow meters are suitable for Cryogenic flow measurements Both B and C Aerospace and in air borne applications Very limited flow ranges Cryogenic flow measurements Both B and C Aerospace and in air borne applications Very limited flow ranges ANSWER DOWNLOAD EXAMIANS APP
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