Process Control and Instrumentation Thermistors are used in __________ devices. Voltage measuring Both B & C Temperature measuring Temperature compensating Voltage measuring Both B & C Temperature measuring Temperature compensating ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is 45° -180° -90° -45° 45° -180° -90° -45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 180° 90° 45° 0° 180° 90° 45° 0° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pressure of 0.0001 absolute psi can be measured by __________ gauge Mcloid Pirani None of these Thermocouple Mcloid Pirani None of these Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Presence of a small amount of water in the organic systems can be determined by the __________ method. Polarimetry Emission spectroscopy Dielectric constant end loss factor Electrical conductivity Polarimetry Emission spectroscopy Dielectric constant end loss factor Electrical conductivity 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 D² D⁴ D³ D D² D⁴ D³ ANSWER DOWNLOAD EXAMIANS APP