Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Chromel-alumel Either A, B or C Platinum-platinum+rhodium Iron-constantan Chromel-alumel Either A, B or C Platinum-platinum+rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Gas chromatography is used for the measurement of Temperature Concentration Pressure Flow rate Temperature Concentration Pressure Flow rate 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 log10 (AR) Decibel = 20 loge (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 log10 (AR)0.5 Decibel = 20 log10 (AR) Decibel = 20 loge (AR) Decibel = 20 loge (AR)0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an Magnetic flow meter Hot wire anemometer Orificemeter Venturimeter Magnetic flow meter Hot wire anemometer Orificemeter Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low flash point Low thermal conductivity Low electrical conductivity High viscosity index Low flash point Low thermal conductivity Low electrical conductivity High viscosity index ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High fidelity High drift High measuring lag Poor reproducibility High fidelity High drift High measuring lag Poor reproducibility ANSWER DOWNLOAD EXAMIANS APP
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