Process Control and Instrumentation Working principle of radiation pyrometer is based on the Stafan-Boltzman law Wien's law Seebeck effect Kirchoffs law Stafan-Boltzman law Wien's law Seebeck effect Kirchoffs law ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the __________ variable. None of these Controlled Load Manipulated None of these Controlled Load Manipulated ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Is unstable Is overdamped Has a damped oscillatory characteristics Has a non-zero slope at the origin Is unstable Is overdamped Has a damped oscillatory characteristics Has a non-zero slope at the origin ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a composition measuring instrument? Thermal conductivity cell Mass spectrometer Polarograph Hot wire anemometer Thermal conductivity cell Mass spectrometer Polarograph Hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit Overdamped response Undamped response Unstable response Underdamped response Overdamped response Undamped response Unstable response Underdamped response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Chromel-alumel Iron-constantan Platinum-platinum + rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum + rhodium Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
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