Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Radiation pyrometer Vapor pressure thermometer Mercury in glass thermometer Platinum resistance thermometer Radiation pyrometer Vapor pressure thermometer Mercury in glass thermometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. The minimum Both maximum and the minimum Nothing about the The maximum The minimum Both maximum and the minimum Nothing about the The maximum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Corrosion resistance Oxidation resistance Linear relation of emf to temperature Non-linear relation of emf to temperature Corrosion resistance Oxidation resistance Linear relation of emf to temperature Non-linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The function of a transducer is to 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 Amplify the input signal Codify/decodify the input signal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same Temperature measuring range (- 40°C to 450°C) Accuracy (± 1% of span) All of these Speed of response Temperature measuring range (- 40°C to 450°C) Accuracy (± 1% of span) All of these Speed of response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For an input forcing function, X(t) = 2t², the Laplace transform of this function is 2/s² 2/s³ 4/s³ 4/s² 2/s² 2/s³ 4/s³ 4/s² ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS