Process Control and Instrumentation The level of a liquid under pressure can be determined using Air-trap system Bubbler system Differential pressure manometer Diaphragm box system Air-trap system Bubbler system Differential pressure manometer Diaphragm box system 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? Chromel Nickel Brass Invar Chromel Nickel Brass Invar ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? None of these Thomson effect Seebeck effect Peltier effect None of these Thomson effect Seebeck effect Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 10 and 425 - 79 and 395 - 51 and 439 - 39 and 350 - 10 and 425 - 79 and 395 - 51 and 439 - 39 and 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability? Mercury in glass thermometer Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer Nitrogen in steel thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer Nitrogen in steel thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flame photometry is used for the determination of compositional analysis of Natural gas Solids Alkali metals Isotopes Natural gas Solids Alkali metals Isotopes ANSWER DOWNLOAD EXAMIANS APP