Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Bimetallic thermometer Mercury thermometer Thermocouple Radiation pyrometer Bimetallic thermometer Mercury thermometer Thermocouple Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Of hot junction only Difference between cold junction and atmospheric temperature Difference between hot and cold junctions Of cold junction only Of hot junction only Difference between cold junction and atmospheric temperature Difference between hot and cold junctions Of cold junction only ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a Thermocouple Reistance thermometer Vapor pressure thermometer Mercury in glass thermometer Thermocouple Reistance thermometer Vapor pressure thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Increase of pressure Increase of thermal conductivity Differential linear expansion Volumetric expansion Increase of pressure Increase of thermal conductivity Differential linear expansion Volumetric expansion ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following is a desirable characteristic of an instrument? High measuring lag High fidelity Poor reproducibility High drift High measuring lag High fidelity Poor reproducibility High drift ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS