Process Control and Instrumentation Which of the following thermocouples is capable of measuring a temperature of -50°C? Platinum - platinum + rhodium Copper - constantan Iron-constantan Chromel - alumel Platinum - platinum + rhodium Copper - constantan Iron-constantan Chromel - alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Variable flow area Pressure at a stagnation point Pressure drop across a nozzle Rotation of a turbine Variable flow area Pressure at a stagnation point Pressure drop across a nozzle Rotation of a turbine 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 Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit? Joule heating effect Seebeck effect Peltier effect Thomson effect Joule heating effect Seebeck effect Peltier effect Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following does not figure in the list of seven substances selected for international temperature scale? Oxygen and sulphur (B.P) Ice (F.P) and steam (B.P) Antimony and silver (F.P) Zinc (B.P) and mercury (F.P) Oxygen and sulphur (B.P) Ice (F.P) and steam (B.P) Antimony and silver (F.P) Zinc (B.P) and mercury (F.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly Hyperbolic Parabolic Non-linear Linear Hyperbolic Parabolic Non-linear Linear ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS