Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Corrosion resistance Oxidation resistance Linear relation of emf to temperature Non-linear relation of emf to temperature Corrosion resistance Oxidation resistance Linear relation of emf to temperature Non-linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A barometer measures the __________ pressure. Absolute Gauge Absolute as well as gauge Dynamic Absolute Gauge Absolute as well as gauge Dynamic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Measurement of sub-zero Celcius temperature in industry is done most commonly by Thermocouples Gas thermometers Resistance thermometers Bi-metallic thermometers Thermocouples Gas thermometers Resistance thermometers Bi-metallic thermometers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low thermal conductivity High viscosity index Low electrical conductivity Low flash point Low thermal conductivity High viscosity index Low electrical conductivity Low flash point ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C. 0.1 0.001 0.01 0.0001 0.1 0.001 0.01 0.0001 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 Undamped response Unstable response Underdamped response Overdamped response Undamped response Unstable response Underdamped response Overdamped response ANSWER DOWNLOAD EXAMIANS APP