Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale.
Options
A. Kelvin
B. Centigrade
C. Fahrenheit
D. Reaumer
Correct Answer
Fahrenheit
Process Control and Instrumentation problems
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1. Pick out the first order system from among the following.
Options
A. Damped vibrator.
B. Mercury in glass thermometer kept in boiling water.