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Seat No.: Enrolment GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING SEMESTER I/II • EXAMINATION SUMMER- 2017
Subject Code: 320026 Date: 08 06- 2017
Subject Name: Surveying
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Each question carry equal marks (14 marks)
Q.1

Define surveying and explain its principles in detail with neat sketch.
07





List out the instruments used in chaining. Explain any three in detail with neat sketch.
07



Q.2

Draw neat sketch of 20m Standard Chain showing all the components .
07


20


A 20m chain was found to be 10 cm too long after chaining a distance of
1800m. It was found to be 20 cm too short at the day's work after chaining a
total distance of 2800m.If the chain was 10cm too short at the beginning, Find the true distance.
07

20 1800 10 2800 20 10

OR

Draw a neat sketch of Prismatic Compass and label all parts also state
functions of each parts.
07




Q.3

Calculate the included angles of a closed traverse PQRS from the following
observations and apply necessary check.
Line Fore Bearing Back Bearing
PQ
N 46º10' E
S 46º10' W
QR
S 60º40' E
N 60º40'W
RS
S 9º50' E
N 9º50' W
SP
N 80º40' W
S 80º40'E
07


PQRS .



PQ
N 46º10' E
S 46º10' W
QR
S 60º40' E
N 60º40' W
RS
S 9º50' E
N 9º50' W
SP
N 80º40' W
S 80º40' E

2/2

Give the difference between HI method and Rise Fall method for
calculation of reduced levels and explain HI method in detail.
07



OR
Q.3

Define :Leveling, B.S., F.S., I.S., T.P., B.M., R.L.
07






Convert the following W.C.B. to Q.B.
1.)300 2.)260 3.)150 4.)85 5.)45 6.)105 7.) 185
07


1.)300 2.)260 3.)150 4.)85 5.)45 6.)105 7.) 185

Q.4

Give the instruments used in plane table survey with their uses.
07





Explain various types of scale. Describe characteristics of Ideal scale.
07

.

OR
Q.4

Explain the term Base line, Check line and Tie line with neat sketch.
07


.


Explain Temporarily adjustment of Dumpy level
07



Q.5

Define contour and list the characteristics of contours in detail.
07





State advantages and disadvantages of Plane table Survey.
07

.

OR
Q.5

Following are the observed staff readings on a falling ground with a 4 m
leveling staff. Enter the readings in a page of a level book, and calculate the
reduced levels by HI method.The level was shifted after fifth and eighth readings. Apply usual checks.
3.86 3.34,2.93,1.93,0.86,3.70,2.63,1.54,1.92, 0.86 and 0.66
The first reading is taken on bench mark of R.L. 150.75 m.
07


4 HI . .
3.86 3.34,2.93,1.93,0.86,3.70,2.63,1.54,1.92, 0.86 and 0.66
150.75


Explain the procedure for carrying out the plane table survey.
07

.