Process Control and Instrumentation __________ stability method uses open loop transfer function. Ruth Nyquist None of these Mikhalov Ruth Nyquist None of these Mikhalov 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 Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object has varying emissivity Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object has varying emissivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of radiation pyrometer is based on the Stafan-Boltzman law Kirchoffs law Wien's law Seebeck effect Stafan-Boltzman law Kirchoffs law Wien's law Seebeck effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability? Fused metal (Na or K) in steel thermometer Nitrogen in steel thermometer Alcohol in glass thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer Nitrogen in steel thermometer Alcohol in glass thermometer Mercury in glass thermometer 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? All of these Platinum-platinum + rhodium Iron-constantan Chromel-constantan All of these Platinum-platinum + rhodium Iron-constantan Chromel-constantan 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 Light intensity Voltage Current Flux density Light intensity Voltage Current ANSWER DOWNLOAD EXAMIANS APP