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0 votes	541 views	0 answers	To orient a plane table at a point P roughly south of the mid-point of two inaccessible conical hill stations A and B in the plains, a point C is selected in line with AB and table is oriented at C by bringing ab in line with AB. A ray is then drawn towards P and at P the table is oriented by back ray method. The orientation so obtained, is updated 11 years ago by Civil Engineer
0 votes	589 views	0 answers	Bergchrund is a topograhical feature in updated 11 years ago by Civil Engineer
0 votes	545 views	0 answers	The ratio of the distances at which a stated length can be distinguished by the telescope and the human eye, respectively, is called updated 11 years ago by Civil Engineer
0 votes	550 views	0 answers	In an adjusted level, when the bubble is central, the axis of the bubble tube becomes parallel to updated 11 years ago by Civil Engineer
0 votes	550 views	0 answers	The power of a lens updated 11 years ago by Civil Engineer
0 votes	644 views	0 answers	The bearing of AB is 190° and that of CB is 260° 30'. The included angle ABC, is updated 11 years ago by Civil Engineer
0 votes	860 views	0 answers	A standard steel tape of length 30 m and cross-section 15 x 1.0 mm was standardised at 25°C and at 30 kg pull. While measuring a base line at the same temperature, the pull applied was 40 kg. If the modulus of elasticity of steel tape is 2.2 x 106 kg/cm2, the correction to be applied is updated 11 years ago by Civil Engineer
0 votes	527 views	0 answers	The zero of the graduated circle of a prismatic compass is located at updated 11 years ago by Civil Engineer
0 votes	546 views	0 answers	Flint glass updated 11 years ago by Civil Engineer
0 votes	563 views	0 answers	For preparation of a contour plan for a route survey updated 11 years ago by Civil Engineer