Process Control and Instrumentation The operation of a rotameter is based on Rotation of a turbine Pressure drop across a nozzle Pressure at a stagnation point Variable flow area Rotation of a turbine Pressure drop across a nozzle Pressure at a stagnation point Variable flow area ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object has varying emissivity Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object has varying emissivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C. > 800 < 100 > 0 < 0 > 800 < 100 > 0 < 0 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The closed loop pole of a stable second order system could be Both real and positive Complex conjugate with positive real parts Both real and negative One real positive and the other real negative Both real and positive Complex conjugate with positive real parts Both real and negative One real positive and the other real negative 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, 0.12 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 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer Radiation pyrometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer Radiation pyrometer Iron-constantan thermocouple ANSWER DOWNLOAD EXAMIANS APP
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