1A benchmark is:AA temporary treeBA point of known elevationCThe starting chain lengthDA traverse station without heightView AnswerDiscussWorkspaceReportSaveEasy
2The sum of interior angles of a closed traverse with n sides is:A180°B(n − 2) × 360°C(2n − 4) × 90°Dn × 90°View AnswerDiscussWorkspaceReportSaveEasy
3A theodolite's horizontal circle measures:ADistancesBBearings only by magnetCVertical heights directlyDHorizontal anglesView AnswerDiscussWorkspaceReportSaveEasy
4The length of a Gunter's chain is:A20 metresB30 metresC66 feetD100 feetView AnswerDiscussWorkspaceReportSaveEasy
5Levelling is used to find:ADifferences in elevation between pointsBHorizontal anglesCAreas onlyDMagnetic bearingsView AnswerDiscussWorkspaceReportSaveEasy