Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is Decibel = 20 loge (AR) 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) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means 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 Feed forward control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function Gā/1 + Gā is given by 1 + Gā = 0. The characteristic equation for the control system All of these Determines its stability Depends only upon the open loop transfer function Is the same for set point or load changes All of these Determines its stability Depends only upon the open loop transfer function Is the same for set point or load changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram are generated from output response of the system subjected to which of the following input? Ramp Step Sinusoidal Impulse Ramp Step Sinusoidal Impulse ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity cell is the primary element of a/an __________ analyser. Oxygen Sulphur dioxide Carbon monoxide Carbon dioxide Oxygen Sulphur dioxide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an Magnetic flow meter Orificemeter Venturimeter Hot wire anemometer Magnetic flow meter Orificemeter Venturimeter Hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP
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