Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Is overdamped Has a damped oscillatory characteristics Is unstable Has a non-zero slope at the origin Is overdamped Has a damped oscillatory characteristics Is unstable Has a non-zero slope at the origin 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 Integral control action is introduced Kc is reduced Kc is increased Derivative control action is introduced Integral control action is introduced Kc is reduced Kc is increased Derivative control action is introduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Select the correct statement from the following. 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 phase lag of a pure time delay system decreases with increasing frequency The frequency response of a pure capacity process is unbounded 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 phase lag of a pure time delay system decreases with increasing frequency The frequency response of a pure capacity process is unbounded ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific gravity of a liquid can not be measured by a/an Hydrometer Anemometer Specific gravity bottle Pycnometer Hydrometer Anemometer Specific gravity bottle Pycnometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Chromel-alumel Platinum-platinum + rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum + rhodium Iron-constantan Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation E.m.f. generated by thermocouples is of the order of Kilo volts Microvolts Volts Millivolts Kilo volts Microvolts Volts Millivolts ANSWER DOWNLOAD EXAMIANS APP