Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Platinum-platinum+rhodium None of these Copper-constantan Aluminium-chromel Platinum-platinum+rhodium None of these Copper-constantan Aluminium-chromel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function for a P-D controller is Kc/τD s Kc(1 +1/τD s) Kc(1+τD s) Kc τD s Kc/τD s Kc(1 +1/τD s) Kc(1+τD s) Kc τD s ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Hot wire anemometer is used for the measurement of Thermal conductivity of gases Flow rates of granular solids Flow rates of fluids Very high temperature Thermal conductivity of gases Flow rates of granular solids Flow rates of fluids Very high temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation E.m.f. generated by thermocouples is of the order of Kilo volts Microvolts Volts Millivolts Kilo volts Microvolts Volts Millivolts 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 0.5 1 0.25 1/√2 0.5 1 0.25 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means On-off control One feed-back loop Feed forward control More than one feed-back loop On-off control One feed-back loop Feed forward control More than one feed-back loop ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS