PANCHAYTI RAJ JE Book Corrections

PANCHAYTI RAJ JE Book

Corrections Page no. 225 – Question no.16 – Correct answer – C

16. Stress -strain curve of concrete is:

(A) a perfect straight line up to failure

(B) straight line up to 0.002% strain value and then parabolic up to failure

(C) parabolic up to 0.002% strain value and then a straight line up to failure

(D) hyperbolic up to 0.002% strain value and then a straight line up to failure

Sol. (C)

Stress strain curve of concrete is straight line upto 0.002% strain value & then parabolic upto failure.

Page no. 108 – Question no. 9 – Change in option

9. Pick up the incorrect statement from the following

(A) Gypsum in cement decreases the setting time

(B) The first compound of cement which reacts with water, is C S2

(C) Buckling of sand is less when its particles are fine

(D) All of the above

Sol. (D)

Page no. 111 – Question no. 12 – Change in answer

12. Specific gravity of OPC is generally

(A) 4.92                 (B) 3.15

(C) 2.10                 (D) 1.75

Sol. (B)

Specific gravity is normally used in mixture proportioning calculation. The specific gravity of Portland blast furnace slage may have 2.90.

Page no. 126 – Question no. 114 – Change in answer

114. In a tree, the cambium layer is situated between

(A) The outer bark and inner bark

(B) The inner bark and sapwood

(C) The sapwood and heartwood

(D) The pith and heartwood

Sol. (B)

Thin layer of sap in between sapwood and inner back is referred as cambium layer.

Page no. 109 – Question no. 20 – Option and answer correction

20. Increase in fineness of cement:

(A) reduces the rat of strength development and leads to higher shrinkage

(B) increases the rate of strength development and reduces the rate of deterioration

(C) decreases the rate of strength development and increases the rate of deterioration

(D) increases the rate of strength development and leads to higher shrinkage

Sol. (D)

Increase in fineness of cement increase the ratio of strength development & leads to higher shrinkage.

Page no. 146 – Question no. 53 – Answer correction

53. Which of the following would represent the surface of the water level of a still lake ?

(A) Level surface                 (B) Contour surface

(C) Horizontal surface         (D) None of these

Sol. (A)

Page no. 255 – Question no. 57 – Option and answer correction

57. Steps in the new project work follow:

(A) Locationof final alignment, map study, reconnaissance survey, preliminary survey, detailed survey

(B) Map study, reconnaissance survey, preliminary survey, location of final alignment, detailed survey

(C) Locationof final alignment, map study, reconnaissance survey, detailed survey

(D) None of the above

Sol. (B)

Map study, Reconnaissance, preliminary survey, final survey & detailed survey.

Page no. 245 – Question no. 3 – Option and answer correction

3. Camber in the road is provided for

(A) Effective drainage

(B) Counteracting the centrifugal forces

(C) Having proper sight distance

(D) All the above

Sol. (A)

Camber is provided for effective drainage.

Page no. 251 – Question no. 40 – Answer correction

40. Minimum camber provided for bituminous surface on hill roads is :

(A) 2.0%                     (B) 2.25%

(C) 2.5%                     (D) 3.0%

Sol. (A)

Minimum camber for bituminous surface on hill roads is 2.0%