351. Total latitude of a point is positive if it lies
North of the reference parallel
South of the reference parallel
East of the reference parallel
West of the reference parallel
Correct answer: (A) North of the reference parallel
352. Transit rule of adjusting the consecutive coordinates of a traverse is used where
Linear and angular measurements of the traverse are of equal accuracy
Angular measurements are more accurate than linear measurements
Linear measurements are more accurate than angular measurements
All of the above
Correct answer: (B) Angular measurements are more accurate than linear measurements
353. Transition curves are introduced at either end of a circular curve, to obtain
Gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the transition curve with main curve
Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve
Gradual change of gradient from zero at the tangent point to the specified amount at the junction of the transition curve with main curve
None of these
Correct answer: (B) Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve
354. True meridian of different places
Converge from the South Pole to the North Pole
Converge from the North Pole to the South Pole
Converge from the equator to the poles
Run parallel to each other
Correct answer: (C) Converge from the equator to the poles
355. True meridians are generally preferred to magnetic meridians because
These converge to a point
These change due to change in time
These remain constant
None of these
Correct answer: (C) These remain constant
356. Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm focal length. The focal length of the combination is
10 cm
20 cm
30 cm
40 cm
Correct answer: (C) 30 cm
357. Two contour lines, having the same elevation
Cannot cross each other
Can cross each other
Cannot unite together
Can unite together
Correct answer: (D) Can unite together
358. Two hill tops and 20 km apart are intervened by a third top . If the top most contour of the three hill tops are of the same value, state whether the line of sight AB
Passes clear of hill top C
Passes below the hill top C
Grazes the hill top C
None of these
Correct answer: (B) Passes below the hill top C
359. Under ordinary conditions, the precision of a theodolite traverse is affected by
Systematic angular errors
Accidental linear errors
Systematic linear errors
Accidental angular errors
Correct answer: (C) Systematic linear errors
360. Volume of the earth work may be calculated by