Process Control and Instrumentation pH meter has One cell Three cells Two cells No cell One cell Three cells Two cells No cell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? None of these Thomson effect Seebeck effect Peltier effect None of these Thomson effect Seebeck effect Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Reduce measuring lag Increase the sensitivity Increase the fidelity Guard against corrosive and oxidising action on thermocouple materials Reduce measuring lag Increase the sensitivity Increase the fidelity Guard against corrosive and oxidising action on thermocouple materials ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low thermal conductivity Low electrical conductivity Low flash point High viscosity index Low thermal conductivity Low electrical conductivity Low flash point High viscosity index ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? Platinum-platinum + rhodium Chromel-constantan Iron-constantan All of these Platinum-platinum + rhodium Chromel-constantan Iron-constantan All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by - ∞, π/2 -π/2, π/2 0, π/2 -π/2, 0 - ∞, π/2 -π/2, π/2 0, π/2 -π/2, 0 ANSWER DOWNLOAD EXAMIANS APP
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