31. The correction for sag is_________________? September 7, 2025 by Admin A. always additive B. always subtractive C. always zero D. sometimes additive and sometimes subtractive ✅ The correct answer is option B.
32. Transit rule of adjusting the consecutive coordinates of a traverse is used where________________? September 7, 2025 by Admin A. linear and angular measurements of the traverse are of equal accuracy B. angular measurements are more accurate than linear measurements C. linear measurements are more accurate than angular measurements D. all of the above ✅ The correct answer is option B.
33. The resection by two point problem as compared to three point problem_______________? September 7, 2025 by Admin A. gives more accurate problem B. takes less time C. requires more labour D. none of the above ✅ The correct answer is option C.
34. Normal tension is that pull which_______________? September 7, 2025 by Admin A. is used at the time of standardising the tape B. neutralizes the effect due to pull and sag C. makes the correction due to sag equal to zero D. makes the correction due to pull equal to zero ✅ The correct answer is option B.
35. A negative declination shows that the magnetic meridian is to the________________? September 7, 2025 by Admin A. eastern side of the true meridian B. western side of the true meridian C. southern side of the true meridian D. none of the above ✅ The correct answer is option B.
36. The maximum tolerance in a 20 m chain is_______________? September 7, 2025 by Admin A. ±2 mm B. ±3 mm C. ±5 mm D. ±8 mm ✅ The correct answer is option C.
37. Closed contours, with higher value inwards, represent a_______________? September 7, 2025 by Admin A. depression B. hillock C. plain surface D. none of the above ✅ The correct answer is option B.
38. For which of the following permanent adjustments of theodolite, the spire test is used ? September 7, 2025 by Admin A. adjustment of plate levels B. adjustment of line of sight C. adjustment of horizontal axis D. adjustment of altitude bubble and vertical index frame ✅ The correct answer is option C.
39. Which of the following angles can be set out with the help of French cross staff? September 7, 2025 by Admin A. 45° only B. 90° only C. either 45° or 90° D. any angle ✅ The correct answer is option C.
40. Which of the following methods of plane table surveying is used to locate the position of an inaccessible point ? September 7, 2025 by Admin A. radiation B. intersection C. traversing D. resection ✅ The correct answer is option B.