2-23.You have a pinion gear with 14teeth driving a spur gear with 42teeth.If the pinion turns at 420rpm, what will be the speed of thespur gear?1.42 rpm2.140 rpm3.160 rpm4.278 rpmFor items 2–24 through 2-28, referoto the gear system in figure 2B andto the symbols which follow.Gears C and D are rigidly attachedto one another.2-24.Given Sa, A, and B, a formula fortesting Sb is2-25.Given Sd, A, B, C, D, and E, aformula for finding Se is2–26.Gear A would make how manyrevolutions for every completerevolution of gear C?1.4/52.1 1/53.1 1/44.1 1/22-27.Which formula is used for findingthe mechanical advantage of thesystem of gears including onlygears B, C, D, and E, assuming thatpower is applied to gear B?2–28.Assuming that power is applied togear A, the entire gear train willhave a mechanical advantage of1.0.672.1.673.3.344.6.6815