Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 90° 30° 180° 120° 90° 30° 180° 120° 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 D D⁴ D³ D² D D⁴ D³ D² ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pressure of 0.0001 absolute psi can be measured by __________ gauge Mcloid Pirani Thermocouple None of these Mcloid Pirani Thermocouple None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional-integral (PI) controller Proportional-derivative(PD)controller Proportional controller Proportional integral-derivative (PID) controller Proportional-integral (PI) controller Proportional-derivative(PD)controller Proportional controller Proportional integral-derivative (PID) controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? CO₂ O₂ NO NO₂ CO₂ O₂ NO NO₂ ANSWER DOWNLOAD EXAMIANS APP