Process Control and Instrumentation Working principle of disappearing filament type optical pyrometer is based on the Peltier effect Wien's law Kirchoff's law Seebeck effect Peltier effect Wien's law Kirchoff's law Seebeck effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The thermal emf-temperature relationship of most thermocouples is Parabolic Exponential Linear Square root Parabolic Exponential Linear Square root ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum + rhodium Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum + rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is 1 4 2 3 1 4 2 3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have Low emissivity Polished surface Very thick walls High transmissivity of radiation Low emissivity Polished surface Very thick walls High transmissivity of radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a speed measuring instrument? Stroboscope Psychrometer All of these Tachometer Stroboscope Psychrometer All of these Tachometer ANSWER DOWNLOAD EXAMIANS APP
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