स

26. [ஸ்ட backsight reading on a B.M 50 m is 1.725 m and foresight reading on a point A is
2.265 m, the reduced level of A is :

(ಗಿ) 4५.460 7 (B) 53.990 (C) 50.340 (D) 50540 m

27. The levelling used to determine the difference of elevation between two points which are
quite apart and it is not possible to set up the levelling instrument mid way between the

point is ;
(ക) Profilelevelling (18) Differential levelling
(C) Check levelling (D) Reciprocal levelling

28. If the length of a line is 30 m and its reduced bearing is 60°, its lattitude is :

‎(B) 3048 (<) € D 3042‏ 15 ھ)

‎29, The length of a curve is obtained by the equation :

‎7R R ಇ

‎(ಗಿ) 14 (9) 180 (6) 180 [12] 18

‎

‎30. A curve whose radius varies gradually from infinity to finite value equal to the radius വ്‌
circular to be connected is known as :

‎(ಗಿ) Super elevation (8) Compound curve

‎(C) Reverse curve (D) Transition curve

‎31. Unit of payment for damp proof course is :

‎(ക) S5gq.cm (8) Sq.m (0 Cum (0) ೮. ೧

‎32. The quantity of P.C.C. required [വ the foundation of a room of size 3 m x3 m with a wall
thickness 20 cm and P.C.C. concrete footing width 1 m and depth 25 cm is :

‎(A) 3.1 चाः (8) 3 णाः (ಲ) 3.4 पः D) 32md

‎33. The centre line length of a hall of size 6 m>4 m with 30 cm wall thickness is :

‎(ക) 212 m (89) 20 ८ ) 208 ೫ (0) 206 ೫

‎196/2015 6 A