Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Platinum resistance thermometer Iron-constantan thermocouple Radiation pyrometer Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer Iron-constantan thermocouple Radiation pyrometer Platinum-platinum/rhodium ther-mocuple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency at which maximum amplitude ratio is attained is called the __________ frequency. Corner Resonant Cross-over Natural Corner Resonant Cross-over Natural ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Humidity of air can be determined by a Polarimeter Chromatograph Mass spectrometer Sling psychrometer Polarimeter Chromatograph Mass spectrometer Sling psychrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 45° 180° 90° 0° 45° 180° 90° 0° 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 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is 1/(τds + 1) E-τds Τds + 1 Eτds 1/(τds + 1) E-τds Τds + 1 Eτds ANSWER DOWNLOAD EXAMIANS APP
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