Process Control and Instrumentation Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively - 273° & 80° 32° & 460° 32° & 80° 0° & 80° - 273° & 80° 32° & 460° 32° & 80° 0° & 80° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Polarisation of light forms the working principle of a Spectrometer Polarimeter Polarograph Chromatograph Spectrometer Polarimeter Polarograph Chromatograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Thermocouple Radiation pyrometer Mercury thermometer Bimetallic thermometer Thermocouple Radiation pyrometer Mercury thermometer Bimetallic thermometer 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 thermal conductivity Low electrical conductivity High viscosity index Low flash point Low thermal conductivity Low electrical conductivity High viscosity index Low flash point ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C? Photoelectric pyrometer Thermocouples Optical pyrometer Radiation pyrometer Photoelectric pyrometer Thermocouples Optical pyrometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
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 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 ANSWER DOWNLOAD EXAMIANS APP
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