1Natural frequency of a spring–mass system is:A2π√(m/k)Bk/mCm/kD√(k/m) / 2πView AnswerDiscussWorkspaceReportSaveEasy
2Resonance occurs when:AThere is no dampingBMass is zeroCFrequency is zeroDThe forcing frequency equals the natural frequencyView AnswerDiscussWorkspaceReportSaveEasy
3Two gears have 20 and 60 teeth. If the smaller gear runs at 900 rpm, the larger gear runs at:A900 rpmB450 rpmC300 rpmD2700 rpmView AnswerDiscussWorkspaceReportSaveMedium
4A kinematic chain with four links and four turning pairs is a:AGear trainBDouble slider chainCFour-bar chainDSlider-crank chainView AnswerDiscussWorkspaceReportSaveEasy
5Belt drive slip results in:AHigher speedBLower speed of the driven pulley than calculatedCNo effectDReversal of directionView AnswerDiscussWorkspaceReportSaveEasy