Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Infra red pyrometer Radiation pyrometer Resistance pyrometer Optical pyrometer Infra red pyrometer Radiation pyrometer Resistance pyrometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. Bimetallic thermometer Mercury thermometer Radiation pyrometer None of these Bimetallic thermometer Mercury thermometer Radiation pyrometer None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Composition of alloys can be determined by Chromatograph Refractrometer None of these Polarograph Chromatograph Refractrometer None of these Polarograph 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. 550 700 350 250 550 700 350 250 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Photo-electric pyrometer Radiation pyrometer Platinum resistance thermometer Thermocouple Photo-electric pyrometer Radiation pyrometer Platinum resistance thermometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Psychrometer determines the Water of crystallisation Moisture content of solids Hygroscopic nature of solids Humidity of gases Water of crystallisation Moisture content of solids Hygroscopic nature of solids Humidity of gases ANSWER DOWNLOAD EXAMIANS APP
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