Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Chromel-alumel Platinum-platinum+rhodium Iron-constantan None of these Chromel-alumel Platinum-platinum+rhodium Iron-constantan None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilatometer is used to measure Contraction/expansion due to changes in temperature Stress Strain Deflection Contraction/expansion due to changes in temperature Stress Strain Deflection ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A magnetic flowmeter is All of these Based on the principle of Faraday's law Capable of measuring the flow rate of slurries and electrolytes Based on the linear relationship between the fluid flow rate and the induced voltage All of these Based on the principle of Faraday's law Capable of measuring the flow rate of slurries and electrolytes Based on the linear relationship between the fluid flow rate and the induced voltage ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their High viscosity index Low flash point Low electrical conductivity Low thermal conductivity High viscosity index Low flash point Low electrical conductivity Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Radiation pyrometer Thermocouple Optical pyrometer (disappearing filament type) Resistance thermometer Radiation pyrometer Thermocouple Optical pyrometer (disappearing filament type) Resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Instrumentation in a plant offers the advantage of All of these Greater operation economy Greater safety of operation Better quality of product All of these Greater operation economy Greater safety of operation Better quality of product ANSWER DOWNLOAD EXAMIANS APP