Process Control and Instrumentation An amplitude ratio of 0.1 corresponds to __________ decibels. 10 -20 -10 20 10 -20 -10 20 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is H/G G/(1 + H) H(1 + G) G/H H/G G/(1 + H) H(1 + G) G/H ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag + 180° 180° - phase lag Phase lag + 90° Phase lag - 180° Phase lag + 180° 180° - phase lag Phase lag + 90° Phase lag - 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? None of these Platinum-platinum+rhodium Aluminium-chromel Copper-constantan None of these Platinum-platinum+rhodium Aluminium-chromel Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A magnetic flowmeter is Capable of measuring the flow rate of slurries and electrolytes Based on the principle of Faraday's law All of these Based on the linear relationship between the fluid flow rate and the induced voltage Capable of measuring the flow rate of slurries and electrolytes Based on the principle of Faraday's law All of these Based on the linear relationship between the fluid flow rate and the induced voltage ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means One feed-back loop Feed forward control On-off control More than one feed-back loop One feed-back loop Feed forward control On-off control More than one feed-back loop ANSWER DOWNLOAD EXAMIANS APP
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