Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is Platinum-platinum+rhyodium Platinum-rhodium Chromel-alumel Iron-constantan Platinum-platinum+rhyodium Platinum-rhodium Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Criterion provides information about the actual location of roots Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag Criterion is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag Criterion is not applicable to systems with polynomial characteristic equation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) nRT/V V/nRT nRT/P p/nRT nRT/V V/nRT nRT/P p/nRT ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In an exothermic chemical reactor, the manipulated variable is the flow rate of None of these Coolant Reactants Product None of these Coolant Reactants Product ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High fidelity High measuring lag High drift Poor reproducibility High fidelity High measuring lag High drift Poor reproducibility ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is the dynamic characteristics of an instrument? Fidelity Reproducibility Sensitivity Dead zone Fidelity Reproducibility Sensitivity Dead zone ANSWER DOWNLOAD EXAMIANS APP