How to calculate fan efficiency?

This video contains Air flow measurement- Static pressure,Velocity pressure,Total pressure, Measurement by Pitot tube,Velocity pressure/velocity calculation, Air density calculation,Velocity calculation,Volume calculation, Mechanical efficiency and Static efficiency. Some other related videos- What is the fan equation? Fan efficiency Calculation Efficiency Calculation Other Popular and Amazing Videos from Boe Tutorials- how to calculate turbine efficiency    • how to calculate turbine efficiency   Properties of Steam-part 4    • Properties of Steam-part 4   Properties of Steam-part 3    • Properties of Steam-part 3   Properties of Steam-part 2    • Properties of Steam-part 2   Properties of Steam-part 1    • Properties of Steam   Best O&M practices in power plant    • How does a Thermal power plant work ? Best...   1st Law, 2nd Law, 3rd Law and Zeroth Law of Thermodynamics    • 1st Law, 2nd Law, 3rd Law and Zeroth Law o...   • What is Rankine cycle?    • what is Rankine cycle?   • How pressure and Temperature effect on Rankine cycle?    • How  pressure and Temperature effect on Ra...   • How to control combustion emission in power plant?    • How to control combustion emission in powe...   • How to prevent under cooling in air cooled condenser?    • How to prevent under cooling in Air cooled...   • Classification and specification of Boiler.    • Classification, Specification of boilers.   Follow on Face book   / boe.ind.1