L.D.C.E. – CIVIL ENGG. DEPARTMENT , 8th APRIL, 1989
GROUP ‘ B ‘
PART II ( i ) PROFESSIONAL SUBJECT
All questions carry equal marks.
Answer any five questions. Where needed, illustrate simple sketches .
Time : 3 hrs. Total marks : 100
Q. 1 - ( i ) What is Bench Mark ? ( 5 marks )
( ii ) What is plane of collimation ? ( 5 marks )
( iii ) Enumerate the permanent adjustment of a dumpy level and explain the adjustment by a two peg method . ( 10 marks )
Q. 2 - A man standing on the bank of a river sees a tree on the for bank in the direction N 30 degree W . He walk 100 meters. Along the bank to wards west and find that its direction is now N 30 degree E . If the river flows east west find its width ? ( 20 marks )
Q. 3 - A simply supported beam 10 m long is subjected to three point loads of 1 T, 2 T and 3 Tones each at distance of 3m, 5m and 8m from the left end. draw S. F. & B. M. diagram for the beam. (20)
Q.No. 4 – Write short notes on any four of the following, illustrating with sketches where necessary: - (20 marks)
a) Rolled steel channel section.
b) Flash Butt welding.
c) Infiltration Gallery.
d) Drop Man – hole.
e) Water cement ratio.
f) Plum concrete.
g) Open Foundation.
Q. 5 – Write short notes on any two of the specification of the following –
i. Brick work.
ii. Liquid limit, Plastic limit and Plasticity Index.
iii. Pile foundations.
iv. Advantage of Pre – stressed concrete. (20 marks)
Q. 6 - Design a RCC column and footing to carry a load of 100 tonnes. Soil at 8 ft. depth has a safe bearing capacity of 15 tonnes per M2. propose the quality of concrete, footing and illustrate by a dimensional sketch. (20 marks)
Q. 7 - There is a railway colony of 500 house holds source of water is from a tube well 800 m away. The colony is 10 m higher then the ground at source. Tube well is 60 meters deep. Design the water supply system a high service tank. (20 marks)
Q. 8 - The following figures are extracted from a level field book. some of the entries being missing. Calculate all the figures by the rise and fall method. (20 marks)
|
STN |
BS |
IS |
FS |
RISE |
FALL |
RL |
|
1 |
3.235 |
|
|
|
|
X |
|
2 |
1.660 |
|
X |
0.825 |
|
X |
|
3 |
X |
|
0.145 |
X |
|
X |
|
4 |
|
3.175 |
|
|
0.290 |
850.000 |
|
5 |
|
X |
|
|
0.225 |
X |
|
6 |
1.115 |
|
3.805 |
|
X |
X |
|
7 |
|
3.900 |
|
|
X |
X |
|
8 |
|
2.905 |
|
X |
|
X |
|
9 |
|
|
X |
1.340 |
|
X |
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