Process Control and Instrumentation Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C. Gold Silver Nickel Antimony Gold Silver Nickel Antimony ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is capable of measuring a temperature of -50°C? Copper - constantan Platinum - platinum + rhodium Chromel - alumel Iron-constantan Copper - constantan Platinum - platinum + rhodium Chromel - alumel Iron-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 Light intensity Current Flux density Voltage Light intensity Current Flux density Voltage ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Copper-constantan Platinum-platinum/rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum/rhodium Iron-constantan Chromel-alumel 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 Enhancement or attentuation of redia-tion occurs in the sighting path Object and surrounding are at almost the same temperature Object has varying emissivity Object is transparent Enhancement or attentuation of redia-tion occurs in the sighting path Object and surrounding are at almost the same temperature Object has varying emissivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Maximum differential pressure in liquid manometer is __________ psi. 50 40 20 30 50 40 20 30 ANSWER DOWNLOAD EXAMIANS APP
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