Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their High viscosity index Low thermal conductivity Low flash point Low electrical conductivity High viscosity index Low thermal conductivity Low flash point Low electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Radiation pyrometer Thermocouple Photo-electric pyrometer Platinum resistance thermometer Radiation pyrometer Thermocouple Photo-electric pyrometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following judges the accuracy of an instrument? Static error None of these Dead zone Drift Static error None of these Dead zone Drift ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram is a plot of None of these Log (AR) vs. f and log Φ vs.f Log (AR) vs. log (f) and (Φ) vs. log (f) AR vs. log (f) and Φ vs. log (f) None of these Log (AR) vs. f and log Φ vs.f Log (AR) vs. log (f) and (Φ) vs. log (f) AR vs. log (f) and Φ vs. log (f) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Stable Critically damped Unstable None of these Stable Critically damped Unstable None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Non-linear relation of emf to temperature Oxidation resistance Corrosion resistance Linear relation of emf to temperature Non-linear relation of emf to temperature Oxidation resistance Corrosion resistance Linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
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