CENTRAL RAILWAY
Limited Departmental
Competitive Examination
Civil Engineering Department
Date : 07 – 11 – 1987 Time
: 3 Hours.
PAPER – II ( i ) Marks : 100
PROFESSIONAL SUBJECT
NOTE : All questions carry equal marks.
Answer any FIVE
questions.
Marks given in
bracket.
Q. 1 – ( i ) What is Least Count
of the Theodolite.
( 5 )
( ii ) A man standing on the bank of a river sees a tower on the for
bank magnetic bearing 40 degree. He walks 200 m. along the bank to ward east
and find that its magnetic bearing is now 310 degree. If the river flows east
west find its width. ( 15 )
Q. 2 – The following in the extract of a page
of level field book fill in the missing reading and calculate the RL apply
arithmetical check. ( 20 )
|
STN |
BS |
IS |
FS |
RISE |
FALL |
RL |
REMARK |
|
1 |
2.285 |
|
|
|
|
232.460 |
BM
No. 1 |
|
2 |
1.650 |
|
X |
0.020 |
|
X |
|
|
3 |
|
2.105 |
|
|
X |
X |
|
|
4 |
X |
|
1.960 |
X |
|
X |
|
|
5 |
2.050 |
|
1.925 |
|
0.300 |
X |
|
|
6 |
|
|
X |
X |
|
232.252 |
BM
No. 2 |
Q.
3 - A Beam A B 12 meter long rests
on supports 7 meter apart the right hand
end over hanging the supports by 3 meter and the left hand end by 2 meter. The
beam carries a uniformly distributed load of 450 kg per meter. The beam also
carries a point load of 4000 kg at center
Construct the shear force and bending moment diagrams and also calculate the maximum bending moment. (20)
Q. 4 –
There is a railway colony 2000 house holds source of water is from a tube well
2 km away the colony is 10 m higher then the ground at source. Tube well is 20
m deep & height of tank 10 m. Design the water supply system a high service
Tank. (20)
Q. 5 –
Calculate quantity of Steel & Concrete of RCC Column footing blow ground
level - (20)
1)
Lean Concrete Course (1 : 4 : 8 ) 20 cm thick.
2)
1 : 2 : 4 C. C. Footing 2m x 2m.
3)
Depth of second footing 1,5 m.
4)
Depth of first footing 1.0 m and size 1.5 m x 1.5 m.
5)
Steel Reinforcement –
( a ) 12mm f
Bar 15 cm. Center to center both side For each footing.
( b ) 16 mm f Bar – 6 nos. which are projected over ground level. Assumed cover 5 cm.
necessary: -
(20 marks) ( a )
Plumb concrete. ( b ) Coursed Rubbal
masonry. ( c ) Water cement
ratio. ( d ) Pre stressed concrete
sleeper. ( e ) Rapid sand filter. ( f ) Well foundation.
Q. 7 – Write short notes on any two of the
specification of the following –
1)
Wood work for door & windows.
2)
Brick Work.
3)
Railway Ballast for Track route.
4)
Pitching of slope. ( 20 )
Q.
8 – Describe different types of foundations for buildings & Bridges in
civil engineering Railway Department. Explain briefly with sketches. ( 20 )
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