Process Control and Instrumentation Thermistors are used in __________ devices. Both B & C Temperature measuring Temperature compensating Voltage measuring Both B & C Temperature measuring Temperature compensating Voltage measuring ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 1/√2 1 0.25 0.5 1/√2 1 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is 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 Decibel = 20 log10 (AR)0.5 Decibel = 20 log10 (AR) Decibel = 20 loge (AR) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Has a slower speed of response Can measure higher temperature Is more affected by corrosive atmosphere Can't measure the temperature of moving objects Has a slower speed of response Can measure higher temperature Is more affected by corrosive atmosphere Can't measure the temperature of moving objects ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is Chromel-alumel Iron-constantan Platinum-rhodium Platinum-platinum+rhyodium Chromel-alumel Iron-constantan Platinum-rhodium Platinum-platinum+rhyodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilatometer is used to measure Deflection Strain Stress Contraction/expansion due to changes in temperature Deflection Strain Stress Contraction/expansion due to changes in temperature ANSWER DOWNLOAD EXAMIANS APP
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