Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Hydrogen None of these Helium Nitrogen Hydrogen None of these Helium Nitrogen 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 Seebeck effect Peltier effect Thomson effect Joule heating effect Seebeck effect Peltier effect Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In an exothermic chemical reactor, the manipulated variable is the flow rate of Reactants Coolant None of these Product Reactants Coolant None of these Product ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A stable system is the one None of these Which satisfies the conditions for a servo problem Which exhibits an unbounded response to a bounded input For which the output response is bounded for all bounded input None of these Which satisfies the conditions for a servo problem Which exhibits an unbounded response to a bounded input For which the output response is bounded for all bounded input ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Flux density Voltage Light intensity Current Flux density Voltage Light intensity Current ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale. Reaumer Kelvin Fahrenheit Centigrade Reaumer Kelvin Fahrenheit Centigrade ANSWER DOWNLOAD EXAMIANS APP
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