Process Control and Instrumentation Select the correct statement from the following. The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure time delay system increases with frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The frequency response of a pure capacity process is unbounded The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure time delay system increases with frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The frequency response of a pure capacity process is unbounded ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Platinum-platinum+rhodium None of these Aluminium-chromel Copper-constantan Platinum-platinum+rhodium None of these Aluminium-chromel Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are Air to close valve with the controller indirect acting Air to open valve with the controller direct acting Air to close valve with the controller direct acting Air to open valve with the controller indirect acting Air to close valve with the controller indirect acting Air to open valve with the controller direct acting Air to close valve with the controller direct acting Air to open valve with the controller indirect acting ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Silver point temperature is __________ °C. 860.5 1060.5 760.5 960.5 860.5 1060.5 760.5 960.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? None of these Vapor pressure thermometer Mercury in glass thermometer Resistance thermometer None of these Vapor pressure thermometer Mercury in glass thermometer Resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell CSTR with first order reaction U-tube manometer Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell CSTR with first order reaction U-tube manometer ANSWER DOWNLOAD EXAMIANS APP
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