Process Control and Instrumentation What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system? < 1 >1 None of these 1 < 1 >1 None of these 1 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 None of these Routh stability Bode stability Nyquist None of these Routh stability Bode stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a Large area but small mass High thermal conductivity Small specific heat All of these Large area but small mass High thermal conductivity Small specific heat All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples can measure the maximum temperature? Tungsten-molybdenum Chromel-alumel Iron-constantan Platinum-rhodium Tungsten-molybdenum Chromel-alumel Iron-constantan Platinum-rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? None of these Copper-constantan Aluminium-chromel Platinum-platinum+rhodium None of these Copper-constantan Aluminium-chromel Platinum-platinum+rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 90° 120° 30° 180° 90° 120° 30° 180° ANSWER DOWNLOAD EXAMIANS APP