Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Mercury in glass thermometer Filled system thermometer Radiation/infrared pyrometer Thermo electric pyrometer Mercury in glass thermometer Filled system thermometer Radiation/infrared pyrometer Thermo electric pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Bode stability None of these Routh stability Nyquist Bode stability None of these Routh stability Nyquist ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³. 100 50 10 1 100 50 10 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation All the thermocouples used for temperature measurement use dissimilar metal Strips Wires Bars Beads Strips Wires Bars Beads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement is used for the determination of O₂ percentage in the flue gas Specific gravity of petrofuels Composition of an alloy CO₂ percentage in the flue gas O₂ percentage in the flue gas Specific gravity of petrofuels Composition of an alloy CO₂ percentage in the flue gas ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Composition of natural gas is determined by the Both B and C Haldane apparatus Mass spectrometer Chromatograph Both B and C Haldane apparatus Mass spectrometer Chromatograph ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS