Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 10 and 425 - 51 and 439 - 79 and 395 - 39 and 350 - 10 and 425 - 51 and 439 - 79 and 395 - 39 and 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Platinum resistance thermometer Bimetallic thermometer Optical pyrometer Thermocouple Platinum resistance thermometer Bimetallic thermometer Optical pyrometer Thermocouple 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? Mercury Carbon-tetrachloride Water Methyl alcohal Mercury Carbon-tetrachloride Water Methyl alcohal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple in a thermal well behaves as a true First order system Second order system (underdamped) Multiple first order system Second order system (overdamped) First order system Second order system (underdamped) Multiple first order system Second order system (overdamped) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer can be used to measure the temperature upto __________ °C. 250 750 350 100 250 750 350 100 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flapper nozzle is used in a/an __________ controller. Hydraulic None of these Pneumatic Electronic Hydraulic None of these Pneumatic Electronic ANSWER DOWNLOAD EXAMIANS APP