Surveying The difference between a level line and a horizontal line is that level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line level line is a curved line while hori-zontal line is a straight line horizontal line is normal to plumb line while level line may not be normal to the plumb line both are same level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line level line is a curved line while hori-zontal line is a straight line horizontal line is normal to plumb line while level line may not be normal to the plumb line both are same ANSWER DOWNLOAD EXAMIANS APP
Surveying Polaris is usually observed for the determination of the latitude when it is At elongation Neither at culmination nor at elongation Either at culmination or at elongation At culmination At elongation Neither at culmination nor at elongation Either at culmination or at elongation At culmination ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors cannot be eliminated by taking both face observations ? error due to horizontal axis not being perpendicular to the vertical axis None of these error due to non-parallelism of the axis of telescope level and line of collimation index error i.e. error due to imperfect adjustment of the vertical circle vernier error due to horizontal axis not being perpendicular to the vertical axis None of these error due to non-parallelism of the axis of telescope level and line of collimation index error i.e. error due to imperfect adjustment of the vertical circle vernier ANSWER DOWNLOAD EXAMIANS APP
Surveying If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a levelThe correct answer is only (iii) only (i) both (ii) and (iii) both (i) and (iv) only (iii) only (i) both (ii) and (iii) both (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Surveying The parallax equation Δp = BmΔh/H - h is applicable to entire overlap of the photographs only if parallax is measured Neither (A) nor (B) Parallel to base line Both (A) and (B) Normal to base line Neither (A) nor (B) Parallel to base line Both (A) and (B) Normal to base line ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the axis of earth and the vertical at the station of observation is called Astronomical latitude Astronomical co-latitude Co-declination of star Declination of star Astronomical latitude Astronomical co-latitude Co-declination of star Declination of star ANSWER DOWNLOAD EXAMIANS APP