1.

The equation of a parabolic arch of span 'I' and rise 'h' is given by:-

A. \({\bf{y}} = \frac{{{\bf{h}}}}{{{{\bf{l}}^2}}}{\bf{x}}\left( {{\bf{l}} - {\bf{x}}} \right)\)
B. \({\bf{y}} = \frac{{3{\bf{h}}}}{{{{\bf{l}}^2}}}{\bf{x}}\left( {{\bf{l}} - {\bf{x}}} \right)\)
C. \({\bf{y}} = \frac{{2{\bf{h}}}}{{{{\bf{l}}^2}}}{\bf{x}}\left( {{\bf{l}} - {\bf{x}}} \right)\)
D. \({\bf{y}} = \frac{{4{\bf{h}}}}{{{{\bf{l}}^2}}}{\bf{x}}\left( {{\bf{l}} - {\bf{x}}} \right)\)
Answer» E.


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