Process Control and Instrumentation Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C. > 100 < 0 0-100 > 50 > 100 < 0 0-100 > 50 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Iron-constantan Platinum-platinum + rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum + rhodium Copper-constantan Chromel-alumel 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 Beckman thermometer Mercury thermometer Dilatometer Bimetallic thermometer Beckman thermometer Mercury thermometer Dilatometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Kc is increased Derivative control action is introduced Kc is reduced Integral control action is introduced Kc is increased Derivative control action is introduced Kc is reduced Integral control action is introduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Optical pyrometer Infra red pyrometer Resistance pyrometer Radiation pyrometer Optical pyrometer Infra red pyrometer Resistance pyrometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Same as time constant Maximum change in the variable that does not change the reading of the instrument Same as transportation lag None of these Same as time constant Maximum change in the variable that does not change the reading of the instrument Same as transportation lag None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS