Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 120° Is 90° at the most Approaches 180° asymptotically Is 30° Is 120° Is 90° at the most Approaches 180° asymptotically Is 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Linear relation of emf to temperature Oxidation resistance Corrosion resistance Non-linear relation of emf to temperature Linear relation of emf to temperature Oxidation resistance Corrosion resistance Non-linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Gain margin is equal to the Gain in P-I controller Gain in P controller Reciprocal of amplitude ratio Amplitude ratio Gain in P-I controller Gain in P controller Reciprocal of amplitude ratio Amplitude ratio ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Starting temperature of optical radiation pyrometer is __________ °C. 400 800 1500 1200 400 800 1500 1200 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a variable area flow meter? Piston type meter Orifice and tapered plug meter Magnetic flow meter Rotameter Piston type meter Orifice and tapered plug meter Magnetic flow meter Rotameter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Time lag Reproducibility Static error Dead zone Time lag Reproducibility Static error Dead zone ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS