Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Platinum resistance thermometer Thermocouple Radiation pyrometer Photo-electric pyrometer Platinum resistance thermometer Thermocouple Radiation pyrometer Photo-electric pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Humidity of air can be determined by a Mass spectrometer Chromatograph Sling psychrometer Polarimeter Mass spectrometer Chromatograph Sling psychrometer Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Starting temperature of optical radiation pyrometer is __________ °C. 800 1200 400 1500 800 1200 400 1500 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit Undamped response Underdamped response Unstable response Overdamped response Undamped response Underdamped response Unstable response Overdamped response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is Decibel = 20 log10 (AR) Decibel = 20 loge (AR) Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR)0.5 Decibel = 20 log10 (AR) Decibel = 20 loge (AR) Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR)0.5 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. None of these Radiation pyrometer Bimetallic thermometer Mercury thermometer None of these Radiation pyrometer Bimetallic thermometer Mercury thermometer ANSWER DOWNLOAD EXAMIANS APP
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