Surveying, Question Paper of Civil Engineering 4th Semester, Download Question Paper 3

Roll No­­­­­­­­­_________

SURVEYING

4^th Exam /Civil/5163/Dec’04

                                                             

Duration 3 Hrs.

Section –A

1.     Fill in the blanks:

a.     In case of river, vision is free, but ________ is obstructed

b.     The preliminary inspection of area to be surveyed is known as ______

c.      If the true bearing of a line is 125˚ and declination is 2˚ E, the magnetic bearing is equal to

d.     DIP of the magnetic needle is the inclination with ____

e.      A horizontal surface through any point is defined as a _________

State true or false

f.       A bubble tube is a straight glass tube

g.     The first entry in a level field book is always back sight.

h.     The compass box is made of steel.

i.       The offsets should be as short as possible.

j.       Tilting screw is provided in a dumpy level.

Section –B

2.     Attempt any ten questions.

a.     Give the purpose of surveying

b.     Name various operations in chain surveying.

c.      Enumerate various types of offsets.

d.     How a prismatic compass is set up at a station?

e.      Name different types of bearings

f.       Define closing error in a traverse.

g.      Define leve surface.

h.     Differentiate between line of collimation and axis of bubble tube.

i.       What is precise leveling?

j.       What errors are eliminated in reciprocal leveling?

k.     What are well conditioned triangles?

l.       Define compensating errors and cumulative errors.

Note: attempt any two questions

3.       

a.     Describe reciprocal ranging with sketches.

b.     A 30-m chain was found to be 10 cm too long after changing distance of 1500m. the  same chain was found to be 15 cm too long after chaining a total distance of 2400 m. find the correct length of total distance chained, assuming that the chain was connect when chaining was commenced

4.       

a.     Define local attraction. How it is detected? Give its causes.

b.     How a closing error is adjusted graphically in a traverse?

5.         

a.     How temporary adjustments of a dumpy level are carried out?

b.     What are the error in leveling? Give the precautions to minimize the errors.