11A mechanism is a kinematic chain with:AAll links fixedBNo links fixedCOnly one linkDOne link fixedView AnswerDiscussWorkspaceReportSaveEasy
12The velocity ratio of a gear pair equals:APitch diameter sumBModule × teethCNumber of teeth on driven / number of teeth on driverDDriver teeth / driven teeth × 2View AnswerDiscussWorkspaceReportSaveEasy
13Natural frequency of a spring–mass system is:A√(k/m) / 2πB2π√(m/k)Cm/kDk/mView AnswerDiscussWorkspaceReportSaveEasy
14Gears used to connect intersecting shafts are:ABevel gearsBSpur gearsCHelical gears on parallel shaftsDWorm gearsView AnswerDiscussWorkspaceReportSaveEasy
15Two gears have 20 and 60 teeth. If the smaller gear runs at 900 rpm, the larger gear runs at:A450 rpmB300 rpmC2700 rpmD900 rpmView AnswerDiscussWorkspaceReportSaveMedium