Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is H(1 + G) G/H H/G G/(1 + H) H(1 + G) G/H H/G G/(1 + H) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 3 2 1 5 3 2 1 5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following does not figure in the list of seven substances selected for international temperature scale? Ice (F.P) and steam (B.P) Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) Oxygen and sulphur (B.P) Ice (F.P) and steam (B.P) Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) Oxygen and sulphur (B.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following flow-metering instru-ments is an areameter? Hot wire anemometer Pitot tube Rotameter Venturimeter Hot wire anemometer Pitot tube Rotameter Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1. Level Both A & B Here Neither A nor B Here Outlet flow rate Level Both A & B Here Neither A nor B Here Outlet flow rate ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Same as transportation lag ANSWER DOWNLOAD EXAMIANS APP
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