Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of Time None of these Velocity (time)⁻¹ Time None of these Velocity (time)⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system Determines its stability Depends only upon the open loop transfer function All of these Is the same for set point or load changes Determines its stability Depends only upon the open loop transfer function All of these Is the same for set point or load changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Decreases Increases exponentially Remains constant Increases Decreases Increases exponentially Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples can measure the maximum temperature? Iron-constantan Tungsten-molybdenum Chromel-alumel Platinum-rhodium Iron-constantan Tungsten-molybdenum Chromel-alumel Platinum-rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific gravity of a liquid can not be measured by a/an Pycnometer Specific gravity bottle Anemometer Hydrometer Pycnometer Specific gravity bottle Anemometer Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are Air to open valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller direct acting Air to close valve with the controller indirect acting Air to open valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller direct acting Air to close valve with the controller indirect acting ANSWER DOWNLOAD EXAMIANS APP
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