Janardan Rai Nagar Rajasthan Vidyapeeth 2006 B.Tech Civil Engineering BUILDING CONSTRUCTION - Question Paper

Model Question Paper

BSC7- BUILDING CONSTRUCTION

Duration : 3 hrs Maximum Marks: 75

Instruction:

1. Question paper is divided into Group A, Group B, and Group C
2. Each Group is of 25 marks
3. Figure to the right in bracket indicate marks.
4. Good Handwriting is expected.

 

 

Group A (25 Marks)

 

 

Answer any three questions (Question 1 is compulsory)

 

Q.1 Briefly explain the term the foundation. Enumerate the various types of building foundation. ( 5 )

Q.2 Describe the well components & their functions. (10)

Q.3 Define natural ventilation. Write the different types of building where it should not be used. What are factor effects an natural ventilation. (10)

Q.4 Define (10)

(a)    Event & Activity.

(b)   Dummy activity.

(c)    Most likely time estimate

(d)   Total float.

Q.5 Write short notes on . (10)

(a) Prefabricated structures (b) R.C.C chimneys.

 

 

Group B (25 Marks)

 

 

Answer any three questions (Question 6 is compulsory)

 

Q.6 Draw a neat sketch of cylindrical shell. (5)

Q.7 Calculate by using Haleys formula for the ultimate load carrying capacity of R.C.C pile . Given the following data. (10)

Section of pile = 50cm50cm

Length of pile = 15m.

Weight of concrete = 2.4 t/m²

Weight of falling mass = 5 tonnes

Height of free fall = 1m.

Average penetration under last 10 blows =5 tara.

Efficiency of hammer = 100%

Coefficient of hammer = 0.5

Total elastic compression= 30mm

What will be the maximum ultimate load carrying capacity of pile ?

 

 

 

 

 

Q.8 Draw the PERT network for the following project & number the events according to the fulkersons rule. (10)

Event No	Preceded by	Event No	Preceded by
A	Initial Event	G	E
B	A	H	G,E
C	B	J	D,E,&H
D	B	K	C,J
E	D	L	1
F	B

Q.9 A studio has dimentions as 10m 7m 5m. The ceiling of studio is provided with acoustical tiles having absorption coefficient of 0.40 .Curtains in have folds are provided on one of the short walls. The absorption power of other surfaces of the studio may be taken as 8.5m² sabins. (10)

It is required to provide revolving panels in the studio in order to vary reverberation time form 3.75 to 1 second. Work out the following for the studio.

(i)                 Extra absorption units for required or given times of reverberation.

(ii)               Coefficient of absorption material on the faces of revolving panel.

(iii)             Area of wall panel.

Q.10 Describe briefly the fire resistant construction of structural elements in view of fire safety jets in building. (10)

 

Group C (25 Marks)

 

All questions are compulsory.

 

Q. 11. (A) Fill in the blanks (Each question carries 2 marks, Total = 10 marks)

(1) The mean of squared deviations of each individual figure form the mean is called ____________.

(2) The process of removing or supplying air by natural or mechanical means to & form a air source or any space. Is knows as ____________

(3)   A temporary structure which is built to remove water form on area & make it possible to

carry on the construction work under reasonably dry conditions is called ___________.

(4) Unwanted sound & may be frequency of sound or intensity of sound or both is called _______.

(5) The reciprocal of surface coefficient is called _____________

 

Q.11 Multiple choice question. (Each question carry 2 marks)

 

(1)   Footing is used on soft soils to reduce the depth of foundation

(a) Spread footing (b) Continuos footing (c) Cantilever footing (d) Inverted arch footing

(2)   Two sounds may have the same frequency & intensity but even then they can be distinguished by

(a) Sound (b) pitch (c) Tone (d) frequency.

(3)   The usual temperature difference between inside & otuside should not be more than.

(a) 2˚C (b) 4˚C (c) 6˚C (d) 8˚C

(4)   Which section is suitable for root purlins.

(a) T- section (b) channel section (c) unequal angles (d) Round bar.

(5)   Light seismic zone is.

(a) Zone A (b) Zone B (c) Zone C

 

Q.11 True or false (each question carry 1 marks).

(1)Batter piles are used to resist large horizontal or inclined forces.

(2)Number of cycles or vibrations per second is known a sound.

(3)A process of removing or supplying air by natural or mechanical means to & forma air source is called ventilation.

(4)Blocked connections is made when beam as well as girders, are meeting at different levels.

(5)Event is either beginning or end of a job.

 

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