Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Mercury in glass thermometer Vapor pressure thermometer Radiation pyrometer Platinum resistance thermometer Mercury in glass thermometer Vapor pressure thermometer Radiation pyrometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple in a thermal well behaves as a true Second order system (overdamped) Multiple first order system Second order system (underdamped) First order system Second order system (overdamped) Multiple first order system Second order system (underdamped) First order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Flux density Current Voltage Light intensity Flux density Current Voltage Light intensity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following measurements can be made by the measurement of emf? Degree of hydrolysis PH value Composition of complex ions All of these Degree of hydrolysis PH value Composition of complex ions All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. The maximum Both maximum and the minimum The minimum Nothing about the The maximum Both maximum and the minimum The minimum Nothing about the ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object and surrounding are at almost the same temperature Object is transparent Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity Object and surrounding are at almost the same temperature Object is transparent Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS