Process Control and Instrumentation The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature. Volume Pressure Viscosity All of these Volume Pressure Viscosity All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Kc is reduced Integral control action is introduced Derivative control action is introduced Kc is increased Kc is reduced Integral control action is introduced Derivative control action is introduced Kc is increased ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid argon level in a pressurised storage tank (at 3 kg/cm² ) is measured by a/an External float gage None of these Differential pressure gage Gage glass External float gage None of these Differential pressure gage Gage glass ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel? Chromel None of these Constantan Alumel Chromel None of these Constantan Alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Select the correct statement from the following. The amplitude ratio of a pure capacity process is inversely proportional to frequency The frequency response of a pure capacity process is unbounded The amplitude ratio of a pure time delay system increases with frequency The phase lag of a pure time delay system decreases with increasing 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 amplitude ratio of a pure time delay system increases with frequency The phase lag of a pure time delay system decreases with increasing frequency ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 250 550 700 350 250 550 700 350 ANSWER DOWNLOAD EXAMIANS APP