Determine the location yc of the centroid C of the beam having the cross- sectional area shown. Take b 76.6 mm. Express your answer in millimeter unit with two decimal points. 150 mm 15 mm B Yc x- 150 mm -15 mm 15 mm b mm

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As an engineering student, your community has asked you to assist an architect in designing a building fit for winter and summer. Apply your knowledge of mechanical engineering science (Thermofluid) in the design.  Kindly include the following:i. Specify the type of building (domestic or community centre)ii. Specify the capacity of the water (in volume) for the buildingiii. Include the vapour compression refrigeration cycle componentsiv. Suggest and discuss the source (s) of energy for the buildingv. Discuss the possible type of fuel to be used and give a reason for the usagevi. Include a sketch with key components

Sketch a typical turbine speed (rpm) VS wind speed characteristics (which indicates how turbine speed is controlled as wind speed changes to achieve the given power curve). Rated speed of the turbine is 18 rpm. Mark all the main points on the curve and the associated values. ..