Process Control and Instrumentation Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called Insulators Semi conductors Dielectrics Conductors Insulators Semi conductors Dielectrics Conductors ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is the dynamic characteristics of an instrument? Fidelity Sensitivity Dead zone Reproducibility Fidelity Sensitivity Dead zone Reproducibility 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 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 8, 0.6, 0.08 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following fluid flow measuring devices can measure the largest flow rate? Rotameter Weir V-notch Orificemeter Rotameter Weir V-notch Orificemeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. Chromel-alumel None of these Iron-constantan Platinum-platinum/rhodium Chromel-alumel None of these Iron-constantan Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For an input forcing function, X(t) = 2t², the Laplace transform of this function is 2/s² 4/s² 2/s³ 4/s³ 2/s² 4/s² 2/s³ 4/s³ ANSWER DOWNLOAD EXAMIANS APP