Minor Instruments in Surveying – MCQ

1. The box sextant is capable to measure angles up to

a) 60
b) 90
c) 120
d) 180

2. A box sextant consists of a/an

a) Eye hole
b) Telescope
c) Pair of colored glass
d) Adjustable magnifying glass
e) All of the above

3. Clinometers are used to measure.

a) Verticle angle
b) Horizontal angle
c) Horizontal distance
d) None of these

4. The hand level is used

a) For locating contours
b) For preliminary survey
c) For taking a short cross-section.
d) All the above

5. The hand level consists of a.

a) Cross-wire
b) Pin-hole
c) Small bubble tube
d) Sighting tube
e) All of these

6. which of the following instrument is used to determine the slope of the ground.

a) Clinometer
b) Abney level
c) Box sextant
d) All of these

7. Watkins mirror clinometer is also known as

a) De Lisle’s Clinometer
b) Service Pattern Clinometer
c) Foot-Rule Clinometer
d) None

8. De Lisle’s Clinometer is used for

a) Measuring verticle angle
b) Setting out gradient
c) Measuring a horizontal angle
d) Both (a) and (b)

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Plane Table Surveying – MCQ

Basics of Surveying and Levelling – MCQ

Plane Table Surveying – MCQ

1. In the case of plane table surveying, a straight edge is used which is called

a) Stick
b) Alidade
c) Strait Stick
d) None

2. The ruling or bevelled edge of the alidade is called

a) Fiducial
b) Pointer
c) Batten
d) All of the above

3. Which is the following instrument used for plane table surveying

a) A Plumbing fork with a plumb bob
b) A Water-proof cover
c) A Through Compass
D) All the above

4. Plane table surveying is not suitable in case of

a) Large scale map
b) In a wet climate
c) In a cold climate
d) In a hot climate
e) Both (a) and (b)

5. Plane table surveying is suitable for

a) Small scale map.
b) Medium-scale map
c) All climates except wet climate.
d) All of these

6. Which is the following method is adopted for plane table surveying

a) Radiation
b) Traversing
c) Intersection
d) All of these

7. Which of the following method is adopted to solve the three-point problem

a) Mechanical Method
b) By trial and error method/ Lehman’s method
c) Graphically
d) All the above

8. Mechanical method which is used to solve the three-point problem, is also known as

a) Tracing cloth method
b) Paper method
c) Both (a) and (b)

9. Which type of letter is used to denote the points of the plots on the sheet to represent the corresponding points on the ground?

a) Small letter
b) Capital letter
c) Italic letter

10. Which statement is incorrect?
Sources of errors in plane table surveying

a) The board not being Verticle
b) The board not being horizontal
c) Inaccuracy in plotting
d) Due to the expansion of the paper

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Minor Instruments in Surveying – MCQ

Chain Surveying – MCQ

Basics of Surveying and Levelling – MCQ

Chain Surveying – MCQ

1. Chain Surveying is suitable for

a) All types of ground
b) Fairly level ground
c) Uneven ground
d) Lands contain huge numbers of details

2. The principle of chain survey is

a) Quadrangulation
b) Triangulation
c) Orientation
d) None of these

3. A well conditioned triangle means

a) The angles of a triangle should be nearly 60 degrees
b) Angle greater than 120 degrees
c) Having angles less than 30 degrees or greater than 120 degrees
d) None of these

4. The line joining the two main stations is known as

a) Chain line
b) Subsidiary line
c) Tie line
d) Check line

5. Which points should be kept in mind during the selection of stations

a) Main station must be visible
b) All triangles should be well conditioned
c) Tie line should avoid long offsets
d) All of the above

6. The purpose of a tie line is

a) To check the accuracy of the work
b) To locate interior details
c) Both (a) and (b)
d) None

7. Check line is also called as

a) Tie line
b) Main line
c) Susidiary line
d) Proof line

8. The offsets are called short when

a) Their lengths are less than 30 m.
b) Their lengths are less than 25 m.
c) Their lengths are less than 15 m.
d) None.

9. The offsets are called long when

a) Their lengths are more than 5 m.
b) Their lengths are more than 10 m.
c) Their lengths are more than 15 m.
d) None.

10. In case of round shaped objects, an offset should be taken from the _ of the object.

a) Two sides
b) Nearest point
c) Center
d) All of the above

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Basics of Surveying and Levelling – MCQ

Minor Instruments in Surveying – MCQ

Plane Table Surveying – MCQ

15 Equipment For Chain Survey

Basics of Surveying and Levelling – MCQ

1. The process of determining the position of points in the horizontal plane is called

a) Levelling
b) Surveying

2. The process of determining the position of points in the verticle plane is called

a) Levelling
b) Surveying

3. Geodetic surveying is also known as

a) Plane Surveying
b) Trigonometrical Surveying
c) Tacheometric surveys
d) All of these

4. The curvature of the earth is not taken into account in the case of

a) Plane Surveying
b) Geodetic Surveying
c) Trigonometrical Surveying

5. The Marine Survey is classified based on

a) Object of surveys
b) Instrument employed
c) Nature of the field
d) None of these

6. In surveying, the position of the points are located from at least _ points of reference whose positions must be known.

a) One
b) Two
c) Three
d) Four

7. 1 Centesimal second is equal to how much radian

a) 1/ 6,48,000
b) 1/ 10,800
c) 1/ 20,00,000
d) π/180

8. Geodetic surveying is used for

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Minor Instruments in Surveying – MCQ

Chain Surveying – MCQ || Survey Engineering

42 Types of  Map Symbols

In a map, the objects are shown by symbols or signs, not by names. Following are the 42 types of map symbols that are used for civil engineering surveying and levelling.   

And, what colour is used for different objects such as river, railway, road bridge, culvert, tube well, open well, level crossings, temple, huts, church, tree, jungle, building, hedge, cultivated land, telegraph line, etc are also given below.

1. North Line Symbol

For the north line, the symbol is like that

North line symbol colour is Black.

2. Main Station or Triangulation Station Symbol

Main station or triangulation station symbol is like that

Main Station Symbol colour is Red or crimson lake.

3. Traverse Stations or Substations Symbol

The symbol of traverse stations or substations is as follows

Traverse stations or substation symbol colour is Red or crimson lake.

4. Chain Line Symbol

The chain line Symbol is

  The chain line symbol colour is Red or crimson lake.

5. River Symbol

River symbol on the map

The river symbol colour is Prussian blue.

6. Canal Symbol

The symbol for the canal

The canal symbol colour is Prussian blue.

7. Lake or Pond Symbol

The symbol for the Lake or pond

Lake or pond symbol colour in a map is Prussian blue.

8. Open Well Symbol

For open well, the symbol is like that

  Open well symbol colour is Prussian blue.

9. Tube Well Symbol

Tube well symbol is

The tube well symbol colour in a map is Black.

Read Also: Failure of Tube Well.

10. Footpath Symbol

Symbol of the footpath is like that

Footpath symbol colour is Black.

11. Metalled Road Symbol

Metalled road symbol is as below:

  Metalled road symbol colour is Burnt sienna.

12. Unmetalled Road Symbol

The symbol for the Unmetalled road

Unmetalled road symbol colour is Burnt sienna.

13. Railway Line(Single) Symbol

For the railway line(single), the symbol is like that-

Railway line(single) symbol colour is Black.

14. Railway Line(Double) Symbol

The symbol for the Railway Line(double)

Railway Line(double) symbol colour is Black.

15. Road Bridge or Culvert Symbol

Symbol of the road bridge or culvert

Road bridge or culvert symbol colour is Black.

16. Railway Bridge or culvert

Railway bridge or culvert symbol

Railway bridge or culvert symbol colour is Black.

17. Level Crossing Symbol

Symbol of level crossing

The colour of the level crossing symbol is Black and burnt sienna.

18. Wall with Gate

The symbol of the wall with the gate is-

Wall with gate symbol colour is Black.

19. Boundary Line Symbol

The symbol for the Boundary line

The colour of the boundary line symbol is Black.

20. Hedge Symbol

The symbol for a hedge is like that

Hedge symbol colour is Green.

21. Wire Fencing Symbol

Wire fencing symbol –

Wire fencing symbol colour is Black.

22. Pipe Fencing

The pipe fencing symbol is

Pipe fencing symbol colour is Prussian blue.

23. Wood Fencing

Wood fencing symbol

Wood fencing symbol colour is Yellow.

24. Building(Pukka) Symbol

The symbol for the Buildings(pukka) is like that

The colour of the building(pukka) symbol is Crimson Lake.

25. Building(Katcha) Symbol

The symbol used for building(Katcha) in a map is like that

The symbol colour of the building(Katcha) is Umber.

26. Huts Symbol

The symbol used for huts is given below.

Huts symbol colour is Yellow.

27. Temple Symbol

The Temple symbol used in a map is like that

The Temple symbol colour is Crimson Lake.

28. Church Symbol

Church symbol used in a map is as below.

The church symbol colour is Crimson Lake.

29. Mosque Symbol

The mosque symbol is like that

The mosque’s symbol colour is Crimson Lake.

30. Benchmark Symbol

The symbol used for benchmark in a map is

Benchmark symbol colour is Black.

31. Tree Symbol

The symbol of the tree on a map is

The colour of the tree symbol is Green.

32. Jungle Symbol

Symbol of the jungle

The colour of the jungle symbol is Green.

33. Orchard Symbol

Symbol of the orchard

Orchard symbol colour is Green.

34. Cultivated land symbol

Symbol of the cultivated land

The symbol colour of the cultivated land is Black & Green.

35. Barren land symbol

The symbol for the barren land

Barren land symbol colour is Black.

36. Rough pasture Symbol

Symbol for the rough pasture

Rough paster symbol colour is Black.

37. Marsh or Swamp Symbol

The symbol used for marsh or swamp in a map is as below.

Marsh or swamp symbol colour is Black.

38. Embankment Symbol

Embankment symbol

Embankment symbol colour is Black.

39. Cutting Symbol

The cutting symbol is

The cutting symbol colour is Black.

40. Telegraph Line & post Symbol

The symbol used for the telegraph line in a map is like that

The symbol used for the telegraph post

The telegraph line & post symbol colour is Black.

41. Electric line & post Symbol

The symbol for the electric line

The symbol used for the electric post is as follows

The electric line & post symbol colour is Black.

42. Burial ground or Cemetery Symbol

The symbol used to indicate burial ground or cemetery is as below.

The burial ground or cemetery symbol colour is Crimson Lake.

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Convert Quadrantal Bearings to Whole Circle Bearing

Convert the following quadrantal bearing into whole circle bearing:

1. N 30°30՛ E
2. S 50° E
3. S 20°45՛ W
4. N 25° W

Solution:

How to draw the line for a Q.B ??

For Example: N 30°30՛ E, S 20°45՛ W & for N 25° W.

In case of N 30°30՛ E, the line will be drawn starting from the North line up to 30°30՛ towards the East line.

In case of S 20°45՛ W, the line will be drawn starting from the South line up to 20°45՛ towards the West line.

In case of N 25° W, the line will be drawn starting from the North line up to 25° towards the west line.

Now, the whole circle bearing can be written directly as below:

1. Line OB, W.C.B = 30°30՛

2. Line OC, W.C.B =180° – 50° = 130°

3. Line OD, W.C.B = 180° + 20°45՛ = 200°45՛

4. Line OE, W.C.B = 360° – 25° = 335°

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