Process Control and Instrumentation Which of the following controllers has maximum offset? P-D controller P-I controller P-I-D controller P-controller P-D controller P-I controller P-I-D controller P-controller 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? Water Carbon-tetrachloride Mercury Methyl alcohal Water Carbon-tetrachloride Mercury Methyl alcohal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The function of a transducer is to Codify/decodify the input signal Modify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Amplify the input signal Codify/decodify the input signal Modify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Amplify the input signal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Chromel-alumel Platinum-platinum+rhodium None of these Iron-constantan Chromel-alumel Platinum-platinum+rhodium None of these Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following fluid flow measuring devices can measure the largest flow rate? Rotameter V-notch Orificemeter Weir Rotameter V-notch Orificemeter Weir ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ type of element is normally not used in the bimetallic thermometers. Multiple helix Single helix Bourdon tube Flat spiral Multiple helix Single helix Bourdon tube Flat spiral ANSWER DOWNLOAD EXAMIANS APP
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