Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Radiation pyrometer Mercury in glass thermometer Vapor pressure thermometer Platinum resistance thermometer Radiation pyrometer Mercury in glass thermometer Vapor pressure thermometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Photoelectric pyrometers are suitable in the temperature range of __________ °C. 400-1600 400-1000 800-2500 800-1600 400-1600 400-1000 800-2500 800-1600 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an None of these Here Radiation pyrometer Specially designed thermocouple Optical pyrometer None of these Here Radiation pyrometer Specially designed thermocouple Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation pH meter has Three cells Two cells No cell One cell Three cells Two cells No cell One cell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Increases Increases exponentially Decreases Remains constant Increases Increases exponentially Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 log10 (AR) Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 log10 (AR) ANSWER DOWNLOAD EXAMIANS APP
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