Reciprocal levelling! Double levelling ! levelling ! type of levelling ! JE ! AE ! upsssc je ! ssc

Fly levelling!Levelling! type of levelling ! quickest method leveling ! upsssc je ! ssc je ! AE!JE

Curvature error/correction in leveling ! positive error ! negative correction ! JE ! AE ! upsssc je

Type of levelling staff ! Levelling staff ! Telescopic staff ! Folding staff ! Self reading staff !

6.9 Reciprocal levelling

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Error due to refraction in levelling ! Combined correction ! refraction correction ! Upsssc je

reciprocal levelling numerical | survey

Method of levelling ! Height of instrument method ! Rise and fall method ! Leveling lecture ! Survey

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Leveling ! Level surface ! Level line ! Horizontal plane ! Vertical plane ! leveling lecture

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Theodilite ! Compass traversing ! Bowditch rule ! Error in traversing ! Upsssc je ! Ssc je ! JE ! AE

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Leveling difficulties ! Levelling ! Leveling at ascending a hill ! Leveling at decending a hill !

Survey lecture ! levelling lecture ! Back sight ! Inter sight ! Fore sight ! Bench mark ! Balveer

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Reciprocal leveling क्या है?

6.3 Benchmark and Types of levelling