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 Reaumer Centigrade Kelvin Fahrenheit Reaumer Centigrade Kelvin ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature Embrittlement of iron occurs Both B and C Here Emf produced is very low of the order of microvolt Rusting of iron takes place Embrittlement of iron occurs Both B and C Here Emf produced is very low of the order of microvolt Rusting of iron takes place ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an None of these Here Optical pyrometer Radiation pyrometer Specially designed thermocouple None of these Here Optical pyrometer Radiation pyrometer Specially designed thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is 54 12 36 68 54 12 36 68 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which is the strongest paramagnetic gas? CO₂ O₂ NO₂ NO CO₂ O₂ NO₂ NO ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 0n-off control which is a special case of proportional control, has a band width of about __________ percent. 100 25 75 100 25 75 ANSWER DOWNLOAD EXAMIANS APP