Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Platinum resistance thermometer Thermocouple Radiation pyrometer Photo-electric pyrometer Platinum resistance thermometer Thermocouple Radiation pyrometer Photo-electric pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mass spectrometer is used for the composition analysis of Isotopes None of these Solids Alloys Isotopes None of these Solids Alloys 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 = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object is transparent Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity Object is transparent Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? Iron-constantan All of these Platinum-platinum + rhodium Chromel-constantan Iron-constantan All of these Platinum-platinum + rhodium Chromel-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following judges the accuracy of an instrument? Static error Dead zone None of these Drift Static error Dead zone None of these Drift ANSWER DOWNLOAD EXAMIANS APP