Process Control and Instrumentation Working principle of disappearing filament type optical pyrometer is based on the Kirchoff's law Peltier effect Seebeck effect Wien's law Kirchoff's law Peltier effect Seebeck effect Wien's law ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The closed loop pole of a stable second order system could be Both real and negative Both real and positive Complex conjugate with positive real parts One real positive and the other real negative Both real and negative Both real and positive Complex conjugate with positive real parts One real positive and the other real negative ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Nickel Brass Chromel Invar Nickel Brass Chromel Invar 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 Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity? CO₂ N₂ O₂ CO CO₂ N₂ O₂ CO ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a first order system is None of these S/(Ts + 1) 1/(Ts + 1) 1/Ts None of these S/(Ts + 1) 1/(Ts + 1) 1/Ts ANSWER DOWNLOAD EXAMIANS APP
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