Exam Details
| Subject | Elements of Survey | |
| Paper | ||
| Exam / Course | Diploma in Civil Engineering (DCLE) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 4 IBET-023 I
DIPLOMA IN CIVIL ENGINEERING DCLE(G) I DCLEVI Term-End Examination 00510 June, 2016
BET-023 ELEMENTS OF SURVEY
Time: 2 hours Maximum Marks: 70
Note: Question no. 1 is compulsory. Attempt any four questions from the remaining. All questions carry equal marks.
1. Select the most appropriate answer for each of the following questions: 7x2=14
The survey in which the curvature of the Earth is taken into account is called
Plane Survey
Preliminary Survey
Geodetic Survey
Hydrographic Survey
The angle of intersection of the two plane mirrors of an optical square is
45°
60°
90°
30°
The type of survey which requires least office work is
Theodolite Surveying
Plane Table Surveying
Trigonometric Levelling
Tacheometry
If the fore bearing of a line is 30° the back bearing is
0°
180°
210°
150°
Which of the following methods of plane table surveying is used to locate the position of an inaccessible point?
Radiation
Intersection
Traversing
Re-section
The operation consisting of revolving the telescope through 180° in a vertical plane about its horizontal axis is called
Transiting
Face Left.
Face Right
Traversing
A fixed point of reference, whose elevation is known is called
Reduced Level
Bench Mark
Changing Point
Instrument Station
2. The following staff readings were observed successively with level, the instrument having been moved forward after the second, fourth and eighth readings
0.875, 1.235, 2.310, 1.385, 2.930, 3.125, 4.125, 0.120, 1.875, 2.030, 3.765
The first reading was taken with the staff held upon a Bench Mark of RL 132.135 m. Enter the reading in level book form and find the reduced level of other points. Apply the usual check. Find the difference in level between the first and the last points. 14
3. What do you mean by two-point problem How can it be solved? 14
4. Write short notes on the following: 2x7=14
Temporary Adjustment of Theodolite
Reciprocal Levelling
5. A survey line AB was measured by a chain of 30 m length and was found to be 2340 m. The same line AB when measured by a 20 m chain, the length was recorded as 2350 m. While calibrating, the 30 m chain was found to be 2 cm too short. What was the error in the 20 m chain? 14
6. The fore bearing of a line of a regular pentagon is 30°. Find the bearing of other lines of the pentagon. 14
7. What are the principles of surveying? Explain them briefly. 7+7=14
DIPLOMA IN CIVIL ENGINEERING DCLE(G) I DCLEVI Term-End Examination 00510 June, 2016
BET-023 ELEMENTS OF SURVEY
Time: 2 hours Maximum Marks: 70
Note: Question no. 1 is compulsory. Attempt any four questions from the remaining. All questions carry equal marks.
1. Select the most appropriate answer for each of the following questions: 7x2=14
The survey in which the curvature of the Earth is taken into account is called
Plane Survey
Preliminary Survey
Geodetic Survey
Hydrographic Survey
The angle of intersection of the two plane mirrors of an optical square is
45°
60°
90°
30°
The type of survey which requires least office work is
Theodolite Surveying
Plane Table Surveying
Trigonometric Levelling
Tacheometry
If the fore bearing of a line is 30° the back bearing is
0°
180°
210°
150°
Which of the following methods of plane table surveying is used to locate the position of an inaccessible point?
Radiation
Intersection
Traversing
Re-section
The operation consisting of revolving the telescope through 180° in a vertical plane about its horizontal axis is called
Transiting
Face Left.
Face Right
Traversing
A fixed point of reference, whose elevation is known is called
Reduced Level
Bench Mark
Changing Point
Instrument Station
2. The following staff readings were observed successively with level, the instrument having been moved forward after the second, fourth and eighth readings
0.875, 1.235, 2.310, 1.385, 2.930, 3.125, 4.125, 0.120, 1.875, 2.030, 3.765
The first reading was taken with the staff held upon a Bench Mark of RL 132.135 m. Enter the reading in level book form and find the reduced level of other points. Apply the usual check. Find the difference in level between the first and the last points. 14
3. What do you mean by two-point problem How can it be solved? 14
4. Write short notes on the following: 2x7=14
Temporary Adjustment of Theodolite
Reciprocal Levelling
5. A survey line AB was measured by a chain of 30 m length and was found to be 2340 m. The same line AB when measured by a 20 m chain, the length was recorded as 2350 m. While calibrating, the 30 m chain was found to be 2 cm too short. What was the error in the 20 m chain? 14
6. The fore bearing of a line of a regular pentagon is 30°. Find the bearing of other lines of the pentagon. 14
7. What are the principles of surveying? Explain them briefly. 7+7=14
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