Process Control and Instrumentation Thermal wells used in temperature measurements should have High transmissivity of radiation Polished surface Very thick walls Low emissivity High transmissivity of radiation Polished surface Very thick walls Low emissivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Psychrometer determines the Moisture content of solids Humidity of gases Water of crystallisation Hygroscopic nature of solids Moisture content of solids Humidity of gases Water of crystallisation Hygroscopic nature of solids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following does not figure in the list of seven substances selected for international temperature scale? Oxygen and sulphur (B.P) Ice (F.P) and steam (B.P) Antimony and silver (F.P) Zinc (B.P) and mercury (F.P) Oxygen and sulphur (B.P) Ice (F.P) and steam (B.P) Antimony and silver (F.P) Zinc (B.P) and mercury (F.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in an open channel can not be measured by a/an Orifice meter V-notch Cipolletti weir Rectangular weir Orifice meter V-notch Cipolletti weir Rectangular weir ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Reduce measuring lag Guard against corrosive and oxidising action on thermocouple materials Increase the fidelity Increase the sensitivity Reduce measuring lag Guard against corrosive and oxidising action on thermocouple materials Increase the fidelity Increase the sensitivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Measurement of sub-zero Celcius temperature in industry is done most commonly by Thermocouples Gas thermometers Resistance thermometers Bi-metallic thermometers Thermocouples Gas thermometers Resistance thermometers Bi-metallic thermometers ANSWER DOWNLOAD EXAMIANS APP