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 Filling nitrogen under pressure in the stem Increasing the diameter of the tube Accounting for the tube expansion Using steel tube in place of glass tube Filling nitrogen under pressure in the stem Increasing the diameter of the tube Accounting for the tube expansion Using steel tube in place of glass tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Radiation pyrometer Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Radiation pyrometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific gravity of a liquid can not be measured by a/an Anemometer Pycnometer Specific gravity bottle Hydrometer Anemometer Pycnometer Specific gravity bottle Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Nickel Lead 30% iron + 70% nickel Copper Nickel Lead 30% iron + 70% nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Thermocouple Photo-electric pyrometer Radiation pyrometer Platinum resistance thermometer Thermocouple Photo-electric pyrometer Radiation pyrometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of Time None of these Velocity (time)⁻¹ Time None of these Velocity (time)⁻¹ ANSWER DOWNLOAD EXAMIANS APP
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