Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Nitrogen None of these Hydrogen Helium Nitrogen None of these Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. Both maximum and the minimum Nothing about the The maximum The minimum Both maximum and the minimum Nothing about the The maximum The minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low electrical conductivity Low flash point High viscosity index Low thermal conductivity Low electrical conductivity Low flash point High viscosity index Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a second order under damped system, the Time required for the response of first reach its ultimate value is called the response time Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e None of these Time required for the response of first reach its ultimate value is called the response time Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Gets attenuated (magnitude decreases) Becomes more oscillatory (frequency increases) Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Gets attenuated (magnitude decreases) Becomes more oscillatory (frequency increases) Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The function of a transducer is to Amplify the input signal Codify/decodify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Modify the input signal Amplify the input signal Codify/decodify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Modify the input signal ANSWER DOWNLOAD EXAMIANS APP