SURVEYING QUIZ

foresight only

foresight and backsight

foresight and intermediate sight

foresight only

None of these

an open traverse for graphical adjustment

a closed traverse for adjustment of closing error

determine the effect of local attraction

y-parallax is not affected

The scale of the model is altered

All listed here

The length of the air base is increased

quicker and less tedious for large number of intermediate sights

more accurate than rise and fall method

less accurate than rise and fall method

None of these

West of observer

East of observer

South of observer

North of observer

Is slightly shorter than an ordinary solar day

Is the period of time taken by the earth in making a complete rotation with reference to stars

Is divided into the conventional hours, minutes and seconds

All listed here

Tracing paper method

Tracing paper method

All of these

Lehman’s method

Both (A) and (B) of above

March 21 to June 21

June 21 to September 21

September 21 to December 21

±3 mm

±5 mm

±8 mm

±2 mm

1000 km

600 km

800 km

500 km