Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel? Alumel None of these Chromel Constantan Alumel None of these Chromel Constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value. 63.2 87.5 100 95 63.2 87.5 100 95 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit Underdamped response Unstable response Overdamped response Undamped response Underdamped response Unstable response Overdamped response Undamped response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a speed measuring instrument? Psychrometer All of these Tachometer Stroboscope Psychrometer All of these Tachometer Stroboscope ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means One feed-back loop On-off control Feed forward control More than one feed-back loop One feed-back loop On-off control Feed forward control More than one feed-back loop ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Paramagnetism method is not used for the composition determination of __________ in gases. Any of these Oxides of nitrogen Oxygen Carbon dioxide Any of these Oxides of nitrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP