Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Time lag Reproducibility Dead zone Static error Time lag Reproducibility Dead zone Static error ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Carbon-tetrachloride Methyl alcohal Water Mercury Carbon-tetrachloride Methyl alcohal Water Mercury ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 30° Is 90° at the most Is 120° Approaches 180° asymptotically Is 30° Is 90° at the most Is 120° Approaches 180° asymptotically ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is Iron-constantan Chromel-alumel Platinum-rhodium Platinum-platinum+rhyodium Iron-constantan Chromel-alumel Platinum-rhodium Platinum-platinum+rhyodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Conductor Insulator Liquid semi-conductor Solid semi-conductor Conductor Insulator Liquid semi-conductor Solid semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage pressure transducers are used to measure __________ pressures. Gage as well as vacuum Both A & B Here Neither A nor B Absolute as well as differential Gage as well as vacuum Both A & B Here Neither A nor B Absolute as well as differential ANSWER DOWNLOAD EXAMIANS APP
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