75. The quantity of cement required for 100 m* of M15 grade cement concrete is :
(ಹ) 660 bags (B) 840 bags
(C) 1155 bags (D) 462 bags

76. Which of the following statement is/are correct about Total station?
0) Quick setting of the instrument on the tripod using laser plummet.

(ii) Their use provides hard copies of field nots. Hence it may be easy for the surveyor
while surveying.

(iii) Greater accuracy in area computation.
(^) Only ¢) and (ii) ൯) Only ¢) and (iii)
)© All of these above (i), (ii) and (iii) (D) Only (1) and (iii)

77. Which of the following statement is/are wrong about EDM?
൫ Precise measurement of distance.
(1) Capable of measuring long distances.
(iii) Accuracy is not affected by atmospheric conditions.
(ಯ) Only 0) (B) Only (ii)
(C) Only (7) (D) ‏ھ‎ of these above (i), (ii) and (iii)

78. Which of the following statement is/are correct about Total station?
(i) The modern versions of survey total station called robotic total station.

(1) The EMD system minimizes some of the horizontal and vertical angle errors
occurred normally in conventional.

(ii) Various atmosphere corrections, geodetic corrections, and elevation factors can be
input and applied.

(^) Only ¢) and (ii) ൯) Only ¢) and (iii)
)© All of these above (i), (ii) and (iii) (D) Only (1) and (iii)

79. Which of the following is/are wrong statement about prism in total station survey?

0) The quality of the prism is determined by the flatness of the surface and the
perpendicularity of the 45° surface.

(1) Prisms are used with electro-optical EDM instruments to reflect the transmitted
signal.

(iii) Prisms have the property of reflecting rays back precisely in the same direction.
(ಯ) Only 0) (B) Only (ii)
(C) Only Gii) (D) Only 0), Gi)

A 13 097/2022
[7.7.0.]