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 180° 0° 90° 45° 180° 0° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Starting temperature of optical radiation pyrometer is __________ °C. 1500 1200 800 400 1500 1200 800 400 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect. Thomson Peltier Seebeck None of these Thomson Peltier Seebeck None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of radiation pyrometer is based on the Seebeck effect Stafan-Boltzman law Wien's law Kirchoffs law Seebeck effect Stafan-Boltzman law Wien's law Kirchoffs law ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation All the thermocouples used for temperature measurement use dissimilar metal Bars Wires Beads Strips Bars Wires Beads Strips ANSWER DOWNLOAD EXAMIANS APP
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