Process Control and Instrumentation Platinum resistance thermometer is the international standard for temperature measurement between Both A and B Triple point of hydrogen and freezing point of antimony Neither A nor B 13.81°K to 903.9°K Both A and B Triple point of hydrogen and freezing point of antimony Neither A nor B 13.81°K to 903.9°K ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have Low emissivity High transmissivity of radiation Polished surface Very thick walls Low emissivity High transmissivity of radiation Polished surface Very thick walls ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Optical pyrometer Radiation pyrometer Resistance pyrometer Infra red pyrometer Optical pyrometer Radiation pyrometer Resistance pyrometer Infra red pyrometer 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 flash point High viscosity index Low electrical conductivity Low thermal conductivity Low flash point High viscosity index Low electrical conductivity Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is 1/RC R + C RC R - C 1/RC R + C RC R - C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of moisture content of paper in paper industry is done by measuring the None of these Electrical resistance through the paper Thermal conductivity through the paper Magnetic susceptibility None of these Electrical resistance through the paper Thermal conductivity through the paper Magnetic susceptibility ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS