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 Liquid flow rate in an open channel can not be measured by a/an V-notch Rectangular weir Cipolletti weir Orifice meter V-notch Rectangular weir Cipolletti weir Orifice meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of disappearing filament type optical pyrometer is based on the Wien's law Seebeck effect Peltier effect Kirchoff's law Wien's law Seebeck effect Peltier effect Kirchoff's law ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilatometer is used to measure Contraction/expansion due to changes in temperature Strain Stress Deflection Contraction/expansion due to changes in temperature Strain Stress Deflection ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A second order system Dead time system A first order time lag A first order system A second order system Dead time system A first order time lag A first order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The closed loop pole of a stable second order system could be Both real and negative Both real and positive One real positive and the other real negative Complex conjugate with positive real parts Both real and negative Both real and positive One real positive and the other real negative Complex conjugate with positive real parts ANSWER DOWNLOAD EXAMIANS APP
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