Process Control and Instrumentation Routh test 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 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 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is 43838 -1 44020 1 43838 -1 44020 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are used in __________ devices. Voltage measuring Temperature measuring Both B & C Temperature compensating Voltage measuring Temperature measuring Both B & C Temperature compensating 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 Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Either A, B or C Platinum-platinum+rhodium Iron-constantan Chromel-alumel Either A, B or C Platinum-platinum+rhodium Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is Decibel = 20 log10 (AR) Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 log10 (AR) Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR)0.5 Decibel = 20 loge (AR) ANSWER DOWNLOAD EXAMIANS APP