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 5π/12 π/3 π/6 π/12 5π/12 π/3 π/6 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Presence of a small amount of water in the organic systems can be determined by the __________ method. Emission spectroscopy Dielectric constant end loss factor Polarimetry Electrical conductivity Emission spectroscopy Dielectric constant end loss factor Polarimetry Electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Typical specifications for design stipulates the gain margin and phase margin to be respectively < 1.7 and > 30° > 1.7 and < 30° > 1.7 and > 30° < 1.7 and < 30° < 1.7 and > 30° > 1.7 and < 30° > 1.7 and > 30° < 1.7 and < 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate of sludge is not measured by a/an Kennison nozzle Orificemeter Both B & C Open weir Kennison nozzle Orificemeter Both B & C Open weir ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are made of Nickel-chromium alloys Ultra pure metals Metal oxides Iron-copper alloys Nickel-chromium alloys Ultra pure metals Metal oxides Iron-copper alloys ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 2 3 1 5 2 3 1 5 ANSWER DOWNLOAD EXAMIANS APP
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