27) The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and recondensed, then the liquid with the next higher boiling point is then evaporated and recondensed, and so on until all the available liquid fu
Answer is:
fractional distillation
Related Thermodynamics MCQ with Answers
Answer is:
The solid fuels have higher calorific value than liquid fuels.
Answer is:
Coal gas
Answer is:
Right
Explanation:
First law of thermodynamics: First law of thermodynamics states that, Heat and mechanical work are mutually convertible. According to this law, a definite amount of mechanical work is needed to produce a definite amount of heat and vice versa. According to First law of thermodynamics Total energy of a system remains constant.
First law of thermodynamics also states that energy can neither be created nor destroyed, through it can be transformed from one form to another. According to this law, the energy due to heat supplied must be balanced by external workdone plus the gain in internal energy due to rise in temperature.