22. Ina closed traverse with five sides, the error found from the fore bearing and back bearing of
the last line is +2°. The correction to the third line will be :

(A) 0°24" ൫ 0°48"
(© 1°12" 0) 1°36"

23. Which one of the following statements is correct?
(A) Ina retrograde vernier (n-1) divisions on the primary scale are divided into n
divisions on the vernier scale

(B) A double vernier consists of two simple verniers placed end-to-end forming one
scale with the zero in the centre

(C) In an extended vernier, (2n+1) primary divisions are divided into n divisions on
the vernier

(D) Ina direct vernier, (n + 1) primary divisions are divided into n equal divisions on
the vernier scale

24. A surveyor measures a distance between two points on a map of representative fraction 1:100
is 60 m. But later he found that he used a wrong representative fraction of 1:50. What is the
correct distance between the two points?

(A) 30m (B) 90m
(0) 45m (D) 120m

25. The reduced bearing of a 10 m long line in N 30°E. The departure of the line is:
(A) 10m ൯) 866m
(0) 7.52 प (0) 5.00 पा

26. The liquid limit of a saturated normally consolidated soil is 50%. The compression index of
the for the virgin compression curve will be :

(A) 0.36 (B) 0.505
(C) 0.605 (D) 0.705

27. The maximum theoretical value of dry density or the saturation dry density at any particular
degree of saturation can be computed as :

Gy, Gy,

سك - ير ملك دير )0
‎A % Ite 0) 2 1+wG‏

© മം + = 00 -०)%
© ‰= ८ ಉ %=~ ‏با‎

28. The distance from the surface of the clay particle to the limit of attraction is termed as :
(A) Bipolar distance (2) Rigid layer
(C) Diffuse Double layer (D)_ Specific surface

085/2023 6 A