Find the moment reaction at point A (Ma), generated by forces of P1 = 1200N, P2 = 900N and P3 = 1950N that are actuating on beam, the beam has two horizontal distances d1 =3.0m and d3 = 4.0m the distance d2 = 3,1m is inclined according to the angle 30° Note: Positive movements must be cosidered as clockwise

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.