Surveying Online Test – Multiple Choice Questions & Answers 1. The apparent error on reversal is equal to the actual error twice the actual error thrice the actual error none of these 2. The horizontal angle between true meridian and magnetic meridian, is known dip bearing magnetic declination convergence 3. The total change in level along the line is equal to total back sights the reduced level of last point minus reduced level of the first point minus total fore sights the total rises minus total falls all 4. Systematic errors are those errors whose effects are cumulative and can be eliminated which cannot be recognised whose character is understood None of these 5. Total latitude of a point is positive if it lies west of the reference parallel east of the reference parallel north of the reference parallel south of the reference parallel 6. An angle of deflection right, may be directly obtained by setting the instrument to read zero on back station 90° 270° on back station 180° on back station 7. Perpendicularity of an offset may be judged by eye, if the length of the offset is 5 m 10 m 15 m 20 m 8. Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as guide map surveys topographical surveys city surveys cadastral surveys 9. Magnetic declination at any place does not remain constant changes abruptly remains constant fluctuates 10. Magnetic bearing of a survey line at any place changes systematically is always greater than true bearing remains constant varies differently in different months of the year Loading … Question 1 of 10
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