Process Control and Instrumentation Working principle of mercury in glass thermometer is None of these Linear expansion Volumetric expansion Pressure rise with temperature None of these Linear expansion Volumetric expansion Pressure rise with temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following judges the accuracy of an instrument? Dead zone Static error None of these Drift Dead zone Static error None of these Drift ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D⁴ D D² D³ D⁴ D D² D³ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Select the correct statement from the following. The amplitude ratio of a pure time delay system increases with frequency The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The frequency response of a pure capacity process is unbounded The amplitude ratio of a pure time delay system increases with frequency The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The frequency response of a pure capacity process is unbounded ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a Polarimeter Chromatograph PH meter Polarograph Polarimeter Chromatograph PH meter Polarograph 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 12, 0.4, 0.08 8, 0.6, 0.08 12, 0.6, 0.12 8, 0.6, 0.12 12, 0.4, 0.08 8, 0.6, 0.08 12, 0.6, 0.12 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS