Select the best steel alloy for a corrosion resistant sheet metal parts. strength is not critical, but low cost is important. (a)-sae 3122 (b)-sae 2052 (c)-sae 3114 (d)-sae 9303 (e)-sae 6112

Asimple speed reducer is composed of 2 spur gears. the pinion gear has a pitch diameter of 0.75" and 36 teeth while the driven gear has a pitch diameter of 4.0" and 192 teeth. a)-what is the diametral pitch of each gear? b)-if an electric motor rotating ccw at 3000 rpm is coupled to the pinion, what is the rotational speed of the driven gear? c)-if the torque delivered to the pinion is 1 n-m, what is the torque on the driven gear? d)-what is the power transmitted by the gear train?