The instrument having common disc for measuring both vertical and horizontal angle is:
ASextant
BTheodolite
CSurveyors compass
DPrismatic compass
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Force polygon representing it set of forces in equilibrium is
വലതുവശത്തേക്കോ ഇടതുവശത്തേക്കോ തിരിയണമെങ്കിൽ എത്ര ദൂരം മുമ്പു നിശ്ചിതദൂരം
കാണിക്കണം?
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A differential manometer is used to measure:
The size of a cam depends upon
................................. index is used to find settlement of soil.