Consider a glass window (k = 0.7 W/m K) with cross-sectional area of 2 m2 and thickness of 1 cm exposed to the air inside the room at 20oC on one side and cold outside air on the outside. If the convection coefficient, h, for the inside air is 10 W/m2 K, h for the outside air is 20 W/m2 K, and the inside window surface temperature is 15oC, find the heat loss through the window an

Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

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