Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Accounting for the tube expansion Filling nitrogen under pressure in the stem Increasing the diameter of the tube Using steel tube in place of glass tube Accounting for the tube expansion Filling nitrogen under pressure in the stem Increasing the diameter of the tube Using steel tube in place of glass tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple in a thermal well behaves as a true Second order system (overdamped) Second order system (underdamped) Multiple first order system First order system Second order system (overdamped) Second order system (underdamped) Multiple first order system First order system 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 electrical conductivity Low thermal conductivity High viscosity index Low flash point Low electrical conductivity Low thermal conductivity High viscosity index Low flash point ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Can measure higher temperature Is more affected by corrosive atmosphere Has a slower speed of response Can't measure the temperature of moving objects Can measure higher temperature Is more affected by corrosive atmosphere Has a slower speed of response Can't measure the temperature of moving objects ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a Reistance thermometer Thermocouple Vapor pressure thermometer Mercury in glass thermometer Reistance thermometer Thermocouple Vapor pressure thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an Orificemeter Hot wire anemometer Venturimeter Magnetic flow meter Orificemeter Hot wire anemometer Venturimeter Magnetic flow meter ANSWER DOWNLOAD EXAMIANS APP
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