Process Control and Instrumentation The operation of a rotameter is based on Rotation of a turbine Pressure drop across a nozzle Variable flow area Pressure at a stagnation point Rotation of a turbine Pressure drop across a nozzle Variable flow area Pressure at a stagnation point ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation pH meter has One cell No cell Two cells Three cells One cell No cell Two cells Three cells ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A first order time lag Dead time system A first order system A second order system A first order time lag Dead time system A first order system A second order system 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 Change of angle of refraction with composition comprises the working principle of a Polarograph Spectrometer Polarimeter Refractrometer Polarograph Spectrometer Polarimeter Refractrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Platinum resistance thermometer Photo-electric pyrometer Thermocouple Radiation pyrometer Platinum resistance thermometer Photo-electric pyrometer Thermocouple Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
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