Question Paper PWay – LDCE (Civil Engineering) (8th APRIL, 1989 )

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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