Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by -π/2, π/2 -π/2, 0 0, π/2 - ∞, π/2 -π/2, π/2 -π/2, 0 0, π/2 - ∞, π/2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is None of these Chromel-alumel Platinum-platinum+rhodium Iron-constantan None of these Chromel-alumel Platinum-platinum+rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is the dynamic characteristics of an instrument? Dead zone Fidelity Sensitivity Reproducibility Dead zone Fidelity Sensitivity Reproducibility ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Platinum resistance thermometer Radiation pyrometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer Radiation pyrometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be None of these Over damped Under damped Critically damped None of these Over damped Under damped Critically damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are used in __________ devices. Temperature measuring Both B & C Voltage measuring Temperature compensating Temperature measuring Both B & C Voltage measuring Temperature compensating ANSWER DOWNLOAD EXAMIANS APP