Process Control and Instrumentation Meleoid gauge measures the __________ pressure. Sub-atmospheric Very high Atmospheric Positive Sub-atmospheric Very high Atmospheric Positive 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
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/6 π/3 π/12 5π/12 π/6 π/3 π/12 5π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function for a P-D controller is Kc(1 +1/τD s) Kc(1+τD s) Kc τD s Kc/τD s Kc(1 +1/τD s) Kc(1+τD s) Kc τD s Kc/τD s ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The level of a liquid under pressure can be determined using Differential pressure manometer Bubbler system Air-trap system Diaphragm box system Differential pressure manometer Bubbler system Air-trap system Diaphragm box system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are Air to close valve with the controller indirect acting Air to open valve with the controller indirect acting Air to open valve with the controller direct acting Air to close valve with the controller direct acting Air to close valve with the controller indirect acting Air to open valve with the controller indirect acting Air to open valve with the controller direct acting Air to close valve with the controller direct acting ANSWER DOWNLOAD EXAMIANS APP
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