Engineering, 19.10.2019 05:30 ashleyrichard29
Windmills slow the air and cause it to fill a larger channel as it passes through the blades. consider a circular windmill with a d1 = 8m diameter rotor in a v1 = 12m/s wind. the wind speed after the windmill is measured at 8 m/s. (a) (7 pt) determine the diameter of the wind channel downstream from the rotor (d2). (b) (8 pt) calculate the power produced by this windmill in kw. assume air is incompressible and use air density of 1.2kg/m3 .
Answers: 3
Engineering, 03.07.2019 14:10
When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point
Answers: 3
Engineering, 04.07.2019 18:10
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
Engineering, 04.07.2019 18:20
Have a greater impact on maintenance productivity than any other support group. (clo5) a)-the top management b)-inventory and purchasing c)-sub-contracting d)-cmms
Answers: 2
Engineering, 04.07.2019 18:20
Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 °c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.
Answers: 3
Windmills slow the air and cause it to fill a larger channel as it passes through the blades. consid...
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