Process Control and Instrumentation Psychrometer determines the Water of crystallisation Humidity of gases Moisture content of solids Hygroscopic nature of solids Water of crystallisation Humidity of gases Moisture content of solids Hygroscopic nature of solids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Carbon-tetrachloride Water Methyl alcohal Mercury Carbon-tetrachloride Water Methyl alcohal Mercury ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Bimetallic thermometer Mercury thermometer Radiation pyrometer Thermocouple Bimetallic thermometer Mercury thermometer Radiation pyrometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum + rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum + rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Feed forward controller accounts for the __________ changes. Load Both A & B Set point Neither A nor B Load Both A & B Set point Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Radiation pyrometer Resistance thermometer Optical pyrometer (disappearing filament type) Thermocouple Radiation pyrometer Resistance thermometer Optical pyrometer (disappearing filament type) Thermocouple ANSWER DOWNLOAD EXAMIANS APP