Apaper mill processes rolls of paper having a density of 984 kg/m3. the paper roll is 1.50 m outside diameter (od) by 0.22 m inside diameter (id) by 3.23 m long and is on a simply supported, hollow, steel shaft. find the shaft id needed to obtain a maximum deflection at the center of 3 mm if the shaft od is 22 cm. assume the shaft to be the same length between supports as the length of the paper roll

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.

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.