Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 3 2 5 1 3 2 5 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means More than one feed-back loop On-off control Feed forward control One feed-back loop More than one feed-back loop On-off control Feed forward control One feed-back loop ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Differential linear expansion Volumetric expansion Increase of thermal conductivity Increase of pressure Differential linear expansion Volumetric expansion Increase of thermal conductivity Increase of pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a composition measuring instrument? Mass spectrometer Hot wire anemometer Polarograph Thermal conductivity cell Mass spectrometer Hot wire anemometer Polarograph Thermal conductivity cell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Voltage Flux density Light intensity Current Voltage Flux density Light intensity Current ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Brass Chromel Invar Nickel Brass Chromel Invar Nickel ANSWER DOWNLOAD EXAMIANS APP