Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. Both maximum and the minimum The maximum Nothing about the The minimum Both maximum and the minimum The maximum Nothing about the The minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The term analogous to the electrical current in a thermal system is the Heat content in the system Temperature difference Heat flow rate None of these Heat content in the system Temperature difference Heat flow rate None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Mercury thermometer Bimetallic thermometer Radiation pyrometer Thermocouple Mercury thermometer Bimetallic thermometer Radiation pyrometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit? Joule heating effect Peltier effect Thomson effect Seebeck effect Joule heating effect Peltier effect Thomson effect Seebeck effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C? Photoelectric pyrometer Radiation pyrometer Thermocouples Optical pyrometer Photoelectric pyrometer Radiation pyrometer Thermocouples Optical pyrometer 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 Underdamped response Unstable response Undamped response Overdamped response Underdamped response Unstable response Undamped response ANSWER DOWNLOAD EXAMIANS APP
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