Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an Specially designed thermocouple Optical pyrometer Radiation pyrometer None of these Here Specially designed thermocouple Optical pyrometer Radiation pyrometer None of these Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following themocouple wire insulating material, the highest temperature rating is for Teflon Asbestos Fibre glass Ceramic fibre Teflon Asbestos Fibre glass Ceramic fibre 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 Voltage Light intensity Flux density Current Voltage Light intensity Flux density Current ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of radiation pyrometer is based on the Kirchoffs law Wien's law Seebeck effect Stafan-Boltzman law Kirchoffs law Wien's law Seebeck effect Stafan-Boltzman law ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Hot wire anemometer is used for the measurement of Thermal conductivity of gases Very high temperature Flow rates of fluids Flow rates of granular solids Thermal conductivity of gases Very high temperature Flow rates of fluids Flow rates of granular solids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 250 550 350 700 250 550 350 700 ANSWER DOWNLOAD EXAMIANS APP