Process Control and Instrumentation Radiation thermometer can not measure the temperature Inside a pressure vessel Of an object without coming in contact with it Of moving objects at high temperature Of liquid oxygen Inside a pressure vessel Of an object without coming in contact with it Of moving objects at high temperature Of liquid oxygen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means One feed-back loop Feed forward control More than one feed-back loop On-off control One feed-back loop Feed forward control More than one feed-back loop On-off control 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 Platinum-platinum + rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum + rhodium Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan 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. Nyquist Bode stability None of these Routh stability Nyquist Bode stability None of these Routh stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Mercury thermometer Thermocouple Radiation pyrometer Bimetallic thermometer Mercury thermometer Thermocouple Radiation pyrometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS