Process Control and Instrumentation pH meter has No cell Two cells Three cells One cell No cell Two cells Three cells One cell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D² D D³ D⁴ D² D D³ D⁴ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Gets amplified (magnitude increases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) Becomes less oscillatory (frequency decreases) Gets amplified (magnitude increases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) Becomes less oscillatory (frequency decreases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Has a non-zero slope at the origin Has a damped oscillatory characteristics Is unstable Is overdamped Has a non-zero slope at the origin Has a damped oscillatory characteristics Is unstable Is overdamped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a differential pressure flow meter? Flow nozzle Rotameter Orificemeter Venturimeter Flow nozzle Rotameter Orificemeter Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a composition measuring instrument? Thermal conductivity cell Mass spectrometer Hot wire anemometer Polarograph Thermal conductivity cell Mass spectrometer Hot wire anemometer Polarograph ANSWER DOWNLOAD EXAMIANS APP