SSC JE Civil Engineering 29-Oct-2020 Shift 1 Paper

Question : 145 of 200

Marks: +1, -0

Two distance 200 m and 298 m are measured from tacheometer instrument and corresponding staff intercepts are 2 m and 3 m respectively. Additive constant will be:

Validate

Solution:

{\D}_{1}=200 {\m}, {\D}_{2}=298 {\m}

{\S}_{1}=2 {\m}, {\S}_{2}=3 {\m}

200={k} × 2+{c}

....... Eq. 1

298={k} × 3+{c}

...... Eq. 2
From equations 2 and 3 , the value of

\k=98

and

c = 4

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