Process Control and Instrumentation Photoelectric pyrometers are suitable in the temperature range of __________ °C. 800-1600 400-1000 400-1600 800-2500 800-1600 400-1000 400-1600 800-2500 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect. Seebeck Peltier None of these Thomson Seebeck Peltier None of these Thomson 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 Increases exponentially Remains constant Decreases Increases Increases exponentially Remains constant ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple? 13 29 0.1 3 13 29 0.1 3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? S/(s² - 1) S/(s² + 1) 1/(s² + 1) 1/(s² - 1) S/(s² - 1) S/(s² + 1) 1/(s² + 1) 1/(s² - 1) 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 indirect acting Air to close valve with the controller direct acting Air to open valve with the controller direct acting Air to open valve with the controller indirect acting Air to close valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller direct acting ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS