Surveying In a spherical triangle ABC, right angled at C, sin b equals cos a sin A cot A tan a sin a cos A tan a cot A cos a sin A cot A tan a sin a cos A tan a cot A ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method is less accurate than height of instrument method is not suitable for levelling with tilting levels quicker and less tedious for large number of intermediate sights provides a check on the reduction of intermediate point levels is less accurate than height of instrument method is not suitable for levelling with tilting levels quicker and less tedious for large number of intermediate sights provides a check on the reduction of intermediate point levels ANSWER DOWNLOAD EXAMIANS APP
Surveying The length of a parallel of λ latitude between two meridians is equal to difference in longitudes multiplied by tan λ cot λ sin λ cos λ tan λ cot λ sin λ cos λ ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not used in measuring perpendicular offsets ? steel tape optical square cross staff line ranger steel tape optical square cross staff line ranger ANSWER DOWNLOAD EXAMIANS APP
Surveying A star is said to elongate When the angle at the star of the spherical triangle is 90° When the star momentarily moves vertically When the star All of these When the angle at the star of the spherical triangle is 90° When the star momentarily moves vertically When the star All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.64 sq km 0.56 sq km 0.50 sq km 0.60 sq km 0.64 sq km 0.56 sq km 0.50 sq km 0.60 sq km ANSWER DOWNLOAD EXAMIANS APP