16. The moisture content of timber used in building frames can be :
ல 2%to 5% (0) 12% to 8%
{C) 8% 0 12% D > 20%

17. The workability of concrete can be increased by which of the following?

(A) Increasing the quantity of coarse aggregate without altering the total aggregate
quantity

(B) Decreasing the quantity of conrse aggregate without altering the total aggregate
quantity

(ര Decreasing the quantity of fine aggregate without altering the total aggregate
(D) _ None of the above

18, The whole circle bearing of the line AB and is 269”, 30" then the azimuth of the line AB is :
(வ) 05, 40 - യു 269०, 30
(८) 08 (D) 90°, 30

19, The error due ‏ما‎ eccentricity of inner and outer axes can be eliminated by?
(५) Reading both verniers and taking the mean of the two
॥ Reading both face observation and taking the mean of the two
(C) Double sighting ;

(D) Taking means of several readings distributed over different portion of the
graduated circle 8

20." Alevellineisa:
प (வ) Horizontal line
(3) Line parallel to the mean epheriodal surface of the earth

(0 Line passing through the objective lens and the eye piece of a dumpy or tilting
10೪61

(D) Line passing through the centre of cross hair and the centre of the eye piece

21, The process of determining the locations of the instrument station by drawing resectors from
the lacation of the known station is called :

(A} 04180100 . (11) Intersection
(¢) Resection ∙ (D) Traversing

ഉള. The correction applied to each 30 m chain for a line measured along a Slope @ is:
(30 300-8110) 5 (B) 80(1-0080)
(௦ 3000-16) യ) 3000-16)

A 5 30/2014
[71.0.1