ನ ಕ್‌

60. For shallow foundations if P is the load, » is the unit weight of soil and ® is the angle of
repose, which of the following is equal to total depth of foundation according to Rankine’s
formula? -

@ ച ‏و‎ (र)
‏صته- پت7‎ 7 . 7 \1+sin®
_- 2 P - 2
© ച ஙு கவை
7 \1+sin® ೫71-8006 ‏وط‎
‎61. Name the level surface to which the elevations are referred :
(4) bénch mark (8) datum
(C) 0886 118 (D) change point
62. - 80: ೫೦ 002510 developed in a gravity dam, where the resultant of all forces on dam should
_always lie? . _
(8) at toe (B) near heel
(0 at top (D) within the middle third of the section

68. Two bodies of masses 5.5 kg and 4.3 kg are hung to the ends of rope, passing over a smooth

trictionless pulley. With what acceleration the heavier mass comes down?
(A) 9.8 m/s? (छ) 4.73 m/s?
(€) 80 m/s? (0) 1.2 11/5४

64. If W, = liquid limit, W,= plastic ‏ان‎ Ws = shrinkage limit then which of the following is
equal to 01880107 1760% (1)? ⊳

≺∆≻∣⋅∇↾∕−∇⋁↗≽ ≺⊟≻⇂⋁≯≖−∏∕∠

0 ௩-௩ D) ௩-௩
65. Among the following which equipment is not used in chain survey?

(ಗ) ranging rod (B) offset rod

(C) alidade (D) पण्णा) एग
66. Name the end supports of the superstructure of a bridge :

(A) abutments . (B) piers

(C) wing walls D) 60011785

67. A body was thrown vertically down from a tower. What is the distance travelled by the body

in the third second of its fall, if its initial velocity was 5.5 m/sec?
(ಕ) 25m ൫) 60.60m
(0 608 യ) 302
130/2015 10 A