Process Control and Instrumentation Cascade control means More than one feed-back loop On-off control One feed-back loop Feed forward control More than one feed-back loop On-off control One feed-back loop Feed forward control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The pressure sensing element of elastic type pressure gauge is never made in the form of a Diaphragm Strip Bourdon tube Bellow Diaphragm Strip Bourdon tube Bellow ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the systems having following transfer functions is stable? 1/(s²+ 2) 1/(s² + 2s + 2) Exp(-20s)/(s² + 2s-l) 1/(s²-2s + 3) 1/(s²+ 2) 1/(s² + 2s + 2) Exp(-20s)/(s² + 2s-l) 1/(s²-2s + 3) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) V/nRT nRT/P nRT/V p/nRT V/nRT nRT/P nRT/V p/nRT ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation pH meter has One cell Two cells No cell Three cells One cell Two cells No cell Three cells 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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