Process Control and Instrumentation Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C. Nickel Gold Silver Antimony Nickel Gold Silver Antimony ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Increases Decreases Remains constant Increases exponentially Increases Decreases Remains constant Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have Low emissivity Very thick walls High transmissivity of radiation Polished surface Low emissivity Very thick walls High transmissivity of radiation Polished surface ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale. Fahrenheit Centigrade Kelvin Reaumer Fahrenheit Centigrade Kelvin Reaumer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury manometer (U-tube type) exemplifies a __________ order system. Third Second First Zero Third Second First Zero ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Rotation of a turbine Variable flow area Pressure at a stagnation point Pressure drop across a nozzle Rotation of a turbine Variable flow area Pressure at a stagnation point Pressure drop across a nozzle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS