Exam Details
| Subject | Advanced Survey | |
| Paper | ||
| Exam / Course | Diploma in Civil Engineering (DCLE) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2015 | |
| City, State | new delhi, |
Question Paper
0041.1.
No. of PrintedPages: 5 IBeE-031I
DIPLOMA IN CIVIL ENGINEERING
DCLE(G)
Term-End Examination
December, 2015
BCE-031 ADVANCED SURVEY
Time hours Maximum Marks: 70
Note: Question number 1 is compulsory. Attempt any four questions from the remaining. All questions carry equal marks. Use of scientific calculator is permitted.
1. Choose the correct alternative
The sum of internal angles in closed traverses with n stations should be
180(n
180(n
180°
360°
Tangential method is related with
Trigonometrical survey
Tacheometry
Chaining
Traversing
The methods of levelling in which the relative elevations of different points on the Earth's surface are determined· from observed vertical angles and known horizontal distances are known as
Profile levelling
Barometric levelling
Trigonometrical levelling
Contouring
A curve composed of two arcs of different radii having their centres on the opposite sides of the curve is known as
Simple curve
Compound curve
Transition curve
Reverse curve
EDM is used to measure
Distance
Angle
Bearing
Slope
Sounding method is used in
City survey
Hydrographic survey
Aerial survey
Chain survey
If L is the length of a line and e is the Reduced Bearing, the latitude of the line will be
L tan e
L sin e
L cos e
L cot e
2. Discuss the various types of adjustments used in theodolite.
A closed traverse was conducted round an obstacle and the following observations were made. Work out the length and bearing of DA.
Line Length Bearing
AB 500 1000
BC 625 300
CD 475 3000
DA
3. Derive an expression for the. horizontal distance of a vertical staff from a tacheometer, if the line of sight of the telescope is horizontal.
The following observations were taken on a staff held vertically at a distance measured from the instrument:
Observation Horizontal distance in metres Vertical angle Staff intercept
1 60 5° 0.600 m
The focal length of the object glass is 22 cm and the distance from the object glass to the trunnion axis is 8 cm. Find the multiplying constant.
4. Describe the basic principles of trigonometrical levelling.
An instrument was set up at A and the angle of depression to a vane 3 m above the foot of the staff held at B was 6°. The horizontal distance between A and B was known to be 2500 metres. Determine the R.L. of the staff station R It is given that the staff reading on a RM. of elevation 500 m was 3.0 m.
5. What do you mean by a Transition curve Explain its requirements and advantages.
Two tangents intersect at a chainage of 1200 m having deflection angle of 70°. If the radius of the curve to be laid is 400 calculate the length of the curve, tangent length and length of the long chord.
6. Explain the principle of electronic distance measuring equipment.
Define "Global Positioning System". Describe the various jobs performed by GPS equipment.
7. Describe the various stages of conducting field surveys for any engineering project.
Discuss some applications of aerial photographs.
8. Write short notes on any four of the following:
Vertical Curve
Traverse Balancing
Degree of Curve
Reciprocal Levelling
Components of a Simple Curve
Signals in Surveying
No. of PrintedPages: 5 IBeE-031I
DIPLOMA IN CIVIL ENGINEERING
DCLE(G)
Term-End Examination
December, 2015
BCE-031 ADVANCED SURVEY
Time hours Maximum Marks: 70
Note: Question number 1 is compulsory. Attempt any four questions from the remaining. All questions carry equal marks. Use of scientific calculator is permitted.
1. Choose the correct alternative
The sum of internal angles in closed traverses with n stations should be
180(n
180(n
180°
360°
Tangential method is related with
Trigonometrical survey
Tacheometry
Chaining
Traversing
The methods of levelling in which the relative elevations of different points on the Earth's surface are determined· from observed vertical angles and known horizontal distances are known as
Profile levelling
Barometric levelling
Trigonometrical levelling
Contouring
A curve composed of two arcs of different radii having their centres on the opposite sides of the curve is known as
Simple curve
Compound curve
Transition curve
Reverse curve
EDM is used to measure
Distance
Angle
Bearing
Slope
Sounding method is used in
City survey
Hydrographic survey
Aerial survey
Chain survey
If L is the length of a line and e is the Reduced Bearing, the latitude of the line will be
L tan e
L sin e
L cos e
L cot e
2. Discuss the various types of adjustments used in theodolite.
A closed traverse was conducted round an obstacle and the following observations were made. Work out the length and bearing of DA.
Line Length Bearing
AB 500 1000
BC 625 300
CD 475 3000
DA
3. Derive an expression for the. horizontal distance of a vertical staff from a tacheometer, if the line of sight of the telescope is horizontal.
The following observations were taken on a staff held vertically at a distance measured from the instrument:
Observation Horizontal distance in metres Vertical angle Staff intercept
1 60 5° 0.600 m
The focal length of the object glass is 22 cm and the distance from the object glass to the trunnion axis is 8 cm. Find the multiplying constant.
4. Describe the basic principles of trigonometrical levelling.
An instrument was set up at A and the angle of depression to a vane 3 m above the foot of the staff held at B was 6°. The horizontal distance between A and B was known to be 2500 metres. Determine the R.L. of the staff station R It is given that the staff reading on a RM. of elevation 500 m was 3.0 m.
5. What do you mean by a Transition curve Explain its requirements and advantages.
Two tangents intersect at a chainage of 1200 m having deflection angle of 70°. If the radius of the curve to be laid is 400 calculate the length of the curve, tangent length and length of the long chord.
6. Explain the principle of electronic distance measuring equipment.
Define "Global Positioning System". Describe the various jobs performed by GPS equipment.
7. Describe the various stages of conducting field surveys for any engineering project.
Discuss some applications of aerial photographs.
8. Write short notes on any four of the following:
Vertical Curve
Traverse Balancing
Degree of Curve
Reciprocal Levelling
Components of a Simple Curve
Signals in Surveying
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