Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Difference between cold junction and atmospheric temperature Of cold junction only Of hot junction only Difference between hot and cold junctions Difference between cold junction and atmospheric temperature Of cold junction only Of hot junction only Difference between hot and cold junctions ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the __________ variable. Load Controlled Manipulated None of these Load Controlled Manipulated None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Guard against corrosive and oxidising action on thermocouple materials Reduce measuring lag Increase the fidelity Increase the sensitivity Guard against corrosive and oxidising action on thermocouple materials Reduce measuring lag Increase the fidelity Increase the sensitivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional-derivative(PD)controller Proportional integral-derivative (PID) controller Proportional-integral (PI) controller Proportional controller Proportional-derivative(PD)controller Proportional integral-derivative (PID) controller Proportional-integral (PI) controller Proportional controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Radiation/infrared pyrometer Mercury in glass thermometer Thermo electric pyrometer Filled system thermometer Radiation/infrared pyrometer Mercury in glass thermometer Thermo electric pyrometer Filled system thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The function of a transducer is to Codify/decodify the input signal Modify the input signal Amplify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Codify/decodify the input signal Modify the input signal Amplify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse ANSWER DOWNLOAD EXAMIANS APP
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