Surveying Subtense bar is an instrument used for measurement of horizontal distances in undulated areas measurement of angles levelling measurement of horizontal distances in plane areas measurement of horizontal distances in undulated areas measurement of angles levelling measurement of horizontal distances in plane areas ANSWER DOWNLOAD EXAMIANS APP
Surveying If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be 3 cm 4 cm 1 cm 2 cm 3 cm 4 cm 1 cm 2 cm ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction for sag is always subtractive always zero always additive sometimes additive and sometimes subtractive always subtractive always zero always additive sometimes additive and sometimes subtractive ANSWER DOWNLOAD EXAMIANS APP
Surveying Systematic errors Can be removed by applying corrections to the observed values Are also known as cumulative errors All listed here Always follow some definite mathematical law Can be removed by applying corrections to the observed values Are also known as cumulative errors All listed here Always follow some definite mathematical law ANSWER DOWNLOAD EXAMIANS APP
Surveying The moon rotates round the earth once in every 29.53 days 29.35 days 30 days 29 days 29.53 days 29.35 days 30 days 29 days ANSWER DOWNLOAD EXAMIANS APP
Surveying If S is the sum of three angles of a spherical triangle, the spherical excess equals ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS