Process Control and Instrumentation Select the correct statement from the following. The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure time delay system increases with frequency The frequency response of a pure capacity process is unbounded The amplitude ratio of a pure capacity process is inversely proportional to frequency The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure time delay system increases with frequency The frequency response of a pure capacity process is unbounded The amplitude ratio of a pure capacity process is inversely proportional to frequency ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer is the international standard for temperature measurement between Triple point of hydrogen and freezing point of antimony Neither A nor B Both A and B 13.81°K to 903.9°K Triple point of hydrogen and freezing point of antimony Neither A nor B Both A and B 13.81°K to 903.9°K ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a Pitot tube Magnetic flowmeter Flow nozzle type flowmeter Turbine flowmeter Pitot tube Magnetic flowmeter Flow nozzle type flowmeter Turbine flowmeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for Low loads Temperature changes None of these Flow rate changes Low loads Temperature changes None of these Flow rate changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Transfer function of transportation lag is ETS None of these 1/(TS + 1) E-TS ETS None of these 1/(TS + 1) E-TS ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A first order system 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 ANSWER DOWNLOAD EXAMIANS APP
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