Process Control and Instrumentation Positioning controllers are used for Flow rate changes Temperature changes High loads Low loads Flow rate changes Temperature changes High loads Low loads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be Under damped Critically damped Over damped None of these Under damped Critically damped Over damped None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means 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 One feed-back loop On-off control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Zirconia probe is used for the measurement of % CO₂ in flue gas Speed of a submarine % O₂ in flue gas Humidity of air % CO₂ in flue gas Speed of a submarine % O₂ in flue gas Humidity of air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum + rhodium Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum + rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Slower and non-oscillatory Faster and oscillatory Faster and non-oscillatory Slower and oscillatory Slower and non-oscillatory Faster and oscillatory Faster and non-oscillatory Slower and oscillatory ANSWER DOWNLOAD EXAMIANS APP