Correct answer
A. Solar evaporation
Explanation
The correct answer is Solar evaporation.
Foot valve provided in the pump is a ________ valve?
Which of the following has the highest calorific value (kcal/Nm3)?
Addition of ________ to the steel helps in increasing the residual magnetism in steel used for making magnets?
Energy consumed for crushing one ton of material ranges from ________ kWh?
In a shell and tube heat exchanger, the height of 25 percent cut baffles is equal to (where, D = inside diameter of shell)?
What is the emissivity of a black body?