Process Control and Instrumentation Routh stability method uses __________ loop transfer function. Either A or B Open Closed Neither A nor B Either A or B Open Closed Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Hot wire anemometer is used for the measurement of Flow rates of granular solids Flow rates of fluids Thermal conductivity of gases Very high temperature Flow rates of granular solids Flow rates of fluids Thermal conductivity of gases Very high temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 250 700 350 550 250 700 350 550 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Slower and oscillatory Slower and non-oscillatory Faster and non-oscillatory Faster and oscillatory Slower and oscillatory Slower and non-oscillatory Faster and non-oscillatory Faster and oscillatory ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an Radiation pyrometer None of these Here Optical pyrometer Specially designed thermocouple Radiation pyrometer None of these Here Optical pyrometer Specially designed thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Suppose that the gain, time constant and dead time of a process with the following transfer function:Gc(s) = 10 exp( - 0.1s)/(0.5s + 1) are known with a possible error of ± 20% of their values. The largest permissible gain Kc of a proportional controller needs to be calculated below taking the values of process gain, time constant and dead time as 8, 0.6, 0.08 12, 0.4, 0.08 12, 0.6, 0.12 8, 0.6, 0.12 8, 0.6, 0.08 12, 0.4, 0.08 12, 0.6, 0.12 8, 0.6, 0.12 ANSWER DOWNLOAD EXAMIANS APP