Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 1 1/√2 0.5 0.25 1 1/√2 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for Temperature changes None of these Low loads Flow rate changes Temperature changes None of these Low loads Flow rate changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Oxidation resistance Linear relation of emf to temperature Corrosion resistance Non-linear relation of emf to temperature Oxidation resistance Linear relation of emf to temperature Corrosion resistance Non-linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following controllers has maximum offset? P-I-D controller P-D controller P-I controller P-controller P-I-D controller P-D controller P-I controller P-controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. None of these Helium Nitrogen Hydrogen None of these Helium Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Characteristic equation is the denominator of __________ loop transfer function. Neither A Nor B Here Closed Both A & B Here Open Neither A Nor B Here Closed Both A & B Here Open ANSWER DOWNLOAD EXAMIANS APP
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