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 Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The term analogous to the electrical current in a thermal system is the Heat flow rate Temperature difference None of these Heat content in the system Heat flow rate Temperature difference None of these Heat content in the system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Polarograph is meant for the analysis of Isotopes Gaseous mixture Solids Miscible liquids Isotopes Gaseous mixture Solids Miscible liquids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? Mercury in glass thermometer Vapor pressure thermometer None of these Resistance thermometer Mercury in glass thermometer Vapor pressure thermometer None of these Resistance thermometer 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? Invar Brass Chromel Nickel Invar Brass Chromel Nickel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the dynamic error in a critically damped second order instrument for a ramp input (AT)? 1.5 AT √AT 2 AT 0.5 AT 1.5 AT √AT 2 AT 0.5 AT ANSWER DOWNLOAD EXAMIANS APP