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Surveying

Surveying
The number of horizontal cross wires in a stadia diaphragm is

two
one
four
three

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Surveying
The nautical mile is the length of

1 degree of latitude
1 minute of longitude
1 degree of longitude
1 minute of latitude

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Surveying
Different grades are joined together by a

Compound curve
Transition curve
Vertical curve
Reverse curve

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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

1 cm
2 cm
3 cm
4 cm

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Surveying
In observations of equal precision, the most probable values of the observed quantities are those that render the sum of the squares of the residual errors a minimum, is the fundamental principle of

D'Alembert's method
Legendre's method
Least square method
Gauss' Mid Latitude formula

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Surveying
Direct method of contouring is

most accurate method
a quick method
adopted for large surveys only
suitable for hilly terrains

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