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° 90° 180° 0° 45° 90° 180° 0° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Copper-constantan Platinum-platinum/rhodium Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum/rhodium Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Static error Dead zone Time lag Reproducibility Static error Dead zone Time lag Reproducibility ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The inverse Laplace transform of the function f(s) = 1/S(1 + S) is 1 - et 1 + et 1 + e-t 1 - e-t 1 - et 1 + et 1 + e-t 1 - e-t ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pressure of 0.01 psi (absolute) can be measured by __________ gauge. Ionisation Pirani Mcloid None of these Ionisation Pirani Mcloid None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Hydrogen None of these Nitrogen Helium Hydrogen None of these Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP