Line of collimation and axis of telescope are :
(3) Parallel ⋅ ⊏∙⋯↧↳↰∊⊐⋅⋅∣⊃∊⊓⊏↿≖↴∁∙∎⊥∣⋯⋅
↙⋅↝∁↴⋅⋅⊐↥⊓∙∶∣⇂⋯≖⋅⇟⋅ യു ജോം
42, Which of the follewing one is best suitable for accurate measurement of distance?
(A) Steel tape (8) Steel band
(0) Invar tape (D) Metallic tape
43. In order to determine the additional details such as boundaries of fields, houses and other
property the surveyving preferred is :
A) Location surveying (8) Cadastal surveying
(ಲಿ) Reconnaissance surveying (D} Topographical surveying
44. The error in measured length due to sag of chain is known as ¢
)۸( Negative error (B} Compensating error
(0) Instrumental error 101 Positive error
45. In an optical square, the angle hetween the index sight and horizon sight is :
(५) 45° (B} 105°
(0) 120° യു 90*
46. When the whole circle bearing of two lines AB ബാ 40 ഈ 385 ല്‌ 2785 respectively then the
included angle BAC will be :
(A) 235° 1 (B) 93°
(0) 8+ (D) none of the above
47. At the magnetic pole, the amount of dip is :
(ക) 605 (B) 90°
(0) 45% (7) 0"
48. The value 08 1011000100 2816 15 17 100೫7001:
ക 0°to 180° (8) 0°to45°
6) 068607 (D) 0" 090"
49. 17 80900 8೧೧6 broken ground, the most suitable method ೧7 contouring is ;
{A) By cross-section (8) By squares =
(0) By spot leveling (D) By tachometre
67/2014 8 ¥ A