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 Using steel tube in place of glass tube Increasing the diameter of the tube Filling nitrogen under pressure in the stem Accounting for the tube expansion Using steel tube in place of glass tube Increasing the diameter of the tube Filling nitrogen under pressure in the stem Accounting for the tube expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Aluminium-chromel None of these Copper-constantan Platinum-platinum+rhodium Aluminium-chromel None of these Copper-constantan Platinum-platinum+rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity cell is the primary element of a/an __________ analyser. Oxygen Carbon monoxide Sulphur dioxide Carbon dioxide Oxygen Carbon monoxide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? Resistance thermometer Vapor pressure thermometer None of these Mercury in glass thermometer Resistance thermometer Vapor pressure thermometer None of these Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a Thermocouple Vapor pressure thermometer Reistance thermometer Mercury in glass thermometer Thermocouple Vapor pressure thermometer Reistance thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with Oil Air Mercury A metal powder or graphite Oil Air Mercury A metal powder or graphite ANSWER DOWNLOAD EXAMIANS APP
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