A chain sprocket delivers 110 hp to a shaft at a rotational speed of 1700 rpm. The sprocket has an outside diameter of 6 in and a bore diameter of 2.5 in. The sprocket is made from ASTM class 20 cast iron and has a hub length of 3.25 in. Design the key (length, width, and height). Use SAE1018 steel for the key if a satisfactory design can be achieved. If not, use a stronger key material. Assume a design factor of 3. After that, compute the maximum torque and power that could be transmitted by the key.

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false

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

Water at the rate of 1 kg/s is forced through a tube with a 2.5 cm inner diameter. the inlet water temperature is 15°c, and the outlet water temperature is 50°c. the tube wall temperature is 14°c higher than the local water temperature all along the length of the tube. what is the length of the tube?