Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? None of these Resistance thermometer Vapor pressure thermometer Mercury in glass thermometer None of these Resistance thermometer Vapor pressure thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Maximum change in the variable that does not change the reading of the instrument None of these Same as time constant Same as transportation lag Maximum change in the variable that does not change the reading of the instrument None of these Same as time constant Same as transportation lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions. Product Sum Ratio Difference Product Sum Ratio Difference ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is RC R - C R + C 1/RC RC R - C R + C 1/RC ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have High transmissivity of radiation Very thick walls Low emissivity Polished surface High transmissivity of radiation Very thick walls Low emissivity Polished surface ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer is the international standard for temperature measurement between 13.81°K to 903.9°K Both A and B Neither A nor B Triple point of hydrogen and freezing point of antimony 13.81°K to 903.9°K Both A and B Neither A nor B Triple point of hydrogen and freezing point of antimony ANSWER DOWNLOAD EXAMIANS APP
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