Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Solid semi-conductor Liquid semi-conductor Insulator Conductor Solid semi-conductor Liquid semi-conductor Insulator Conductor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 1 0.25 1/√2 0.5 1 0.25 1/√2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ are analysed using a polarograph. Gases Liquids Isotonic solutions Solids Gases Liquids Isotonic solutions Solids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation pH meter has Two cells Three cells No cell One cell Two cells Three cells No cell One cell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low flash point Low thermal conductivity High viscosity index Low electrical conductivity Low flash point Low thermal conductivity High viscosity index Low electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a Bimetallic thermometer Dilatometer Beckman thermometer Mercury thermometer Bimetallic thermometer Dilatometer Beckman thermometer Mercury thermometer ANSWER DOWNLOAD EXAMIANS APP