Process Control and Instrumentation Which of the following thermocouples has the least 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 Thermal conductivity measurement is used for the determination of CO₂ percentage in the flue gas Specific gravity of petrofuels O₂ percentage in the flue gas Composition of an alloy CO₂ percentage in the flue gas Specific gravity of petrofuels O₂ percentage in the flue gas Composition of an alloy ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the systems having following transfer functions is stable? 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) 1/(s² + 2s + 2) 1/(s²+ 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) 1/(s² + 2s + 2) 1/(s²+ 2) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional integral-derivative (PID) controller Proportional controller Proportional-derivative(PD)controller Proportional-integral (PI) controller Proportional integral-derivative (PID) controller Proportional controller Proportional-derivative(PD)controller Proportional-integral (PI) controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in a small channel is best measured by a/an Venturimeter Pitot tube Weir Vane meter Venturimeter Pitot tube Weir Vane meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A mercury thermometer can not be used to measure the temperature below the freezing point of mercury, which is __________ °C. -38.9 -60.9 -80.9 -11.9 -38.9 -60.9 -80.9 -11.9 ANSWER DOWNLOAD EXAMIANS APP