71. Select the correct statement.
a) A contour is not necessarily a closed curve.
b) A contour represents a ridge line if the concave side of lower value con¬tour lies towards the higher value contour.
c) Two contours of different elevations do not cross each other except in case of an overhanging cliff.
d) All of the above statements are correct.
Ans: c
72. A series of closely spaced contour lines represents a
a) steep slope
b) gentle slope
c) uniform slope
d) plane surface
Ans: a
73. Direct method of contouring is
a) a quick method
b) adopted for large surveys only
c) most accurate method
d) suitable for hilly terrains
Ans: c
74. In direct method of contouring, the process of locating or identifying points lying on a contour is called
a) ranging
b) centring
c) horizontal control
d) vertical control
Ans: d
75. In the cross-section method of indirect contouring, the spacing of cross-sections depends upon
i) contour interval
ii) scale of plan
iii) characteristics of ground
The correct answer is
a) only (i)
b) (i)and(ii)
c) (ii) and (iii)
d) (i), (ii) and (iii)
Ans: d
76. Which of the following methods of con-touring is most suitable for a hilly terrain ?
a) direct method
b) square method
c) cross-sections method
d) tacheometric method
Ans: d
77. Select the correct statement.
a) Contour interval on any map is kept constant.
b) Direct method of contouring is cheap¬er than indirect method.
c) Inter-visibility of points on a contour map cannot be ascertained.
d) Slope of a hill cannot be determined with the help of contours.
Ans: a
78. Closed contours, with higher value inwards, represent a
a) depression
b) hillock
c) plain surface
d) none of the above
Ans: b
79. Contour interval is
a) the vertical distance between two con-secutive contours
b) the horizontal distance between two consecutive contours
c) the vertical distance between two points on same contour
d) the horizontal distance between two points on same contour
Ans: a
80. Benchmark is established by
a) hypsometry
b) barometric levelling
c) spirit levelling
d) trigonometrical levelling
Ans: c
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a) A contour is not necessarily a closed curve.
b) A contour represents a ridge line if the concave side of lower value con¬tour lies towards the higher value contour.
c) Two contours of different elevations do not cross each other except in case of an overhanging cliff.
d) All of the above statements are correct.
Ans: c
72. A series of closely spaced contour lines represents a
a) steep slope
b) gentle slope
c) uniform slope
d) plane surface
Ans: a
73. Direct method of contouring is
a) a quick method
b) adopted for large surveys only
c) most accurate method
d) suitable for hilly terrains
Ans: c
74. In direct method of contouring, the process of locating or identifying points lying on a contour is called
a) ranging
b) centring
c) horizontal control
d) vertical control
Ans: d
75. In the cross-section method of indirect contouring, the spacing of cross-sections depends upon
i) contour interval
ii) scale of plan
iii) characteristics of ground
The correct answer is
a) only (i)
b) (i)and(ii)
c) (ii) and (iii)
d) (i), (ii) and (iii)
Ans: d
76. Which of the following methods of con-touring is most suitable for a hilly terrain ?
a) direct method
b) square method
c) cross-sections method
d) tacheometric method
Ans: d
77. Select the correct statement.
a) Contour interval on any map is kept constant.
b) Direct method of contouring is cheap¬er than indirect method.
c) Inter-visibility of points on a contour map cannot be ascertained.
d) Slope of a hill cannot be determined with the help of contours.
Ans: a
78. Closed contours, with higher value inwards, represent a
a) depression
b) hillock
c) plain surface
d) none of the above
Ans: b
79. Contour interval is
a) the vertical distance between two con-secutive contours
b) the horizontal distance between two consecutive contours
c) the vertical distance between two points on same contour
d) the horizontal distance between two points on same contour
Ans: a
80. Benchmark is established by
a) hypsometry
b) barometric levelling
c) spirit levelling
d) trigonometrical levelling
Ans: c
Read More Surveying Multiple Choice Questions
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