Process Control and Instrumentation Time constant is the Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Same as dead time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³. 50 100 10 1 50 100 10 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Compositional analysis of __________ is done using mass spectrometer. A solid An isotope Natural gas An alloy A solid An isotope Natural gas An alloy ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The function of a transducer is to Modify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Codify/decodify the input signal Amplify the input signal Modify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Codify/decodify the input signal Amplify the input signal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermometers is not suitable for distant reading upto 60 metres? Resistance thermometer Vapor pressure thermometer Constant volume gas thermometer Mercury in glass thermometer Resistance thermometer Vapor pressure thermometer Constant volume gas thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
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