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 To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with Mercury Air A metal powder or graphite Oil Mercury Air A metal powder or graphite Oil ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the __________ variable. Manipulated Load Controlled None of these Manipulated Load Controlled None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer can be used to measure the temperature upto __________ °C. 250 350 750 100 250 350 750 100 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 When the damping co-efficient (ξ) is unity, the system is Critically damped Underdamped Highly fluctuating Overdamped Critically damped Underdamped Highly fluctuating Overdamped ANSWER DOWNLOAD EXAMIANS APP
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