B Tech (semester 3 and 4)
Building Construction (CE-206)
(Section A)
(2X10=20)
Q1)
a) Enumerate the advantages of cavity wall over solid wall construction.
b) define natural bed of stone.
c) Draw the neat sketch of a two-centered arch.
d) Define the terms : purlin and principle rafter.
e) Mention the advantages of steel windows over wooden windows.
f) differentiate between a ventilator and clerestorey window.
g) list the constituents of paint.
h) mention two advantages of English bond over Flemish bond.
i) State the SABEN'S formula for finding the reverberation time in accoustical design.
j) What is the need of expansion joints in building construction?
(Section B)
(5X4=20)
Attempt any four questions from Section B
Q2) State the comparative merits and demerits of stone masonary and brick masonary and also the different classifications of stone masonary.
Q3) A 30 cm thick brickwall carries an axial load of 8000 kg/m and an eccentric load of 5000 kg/m at an eccentricity of 7.5 cm from the centre of the wall thickness. Determine the maximum compressive stress in the masonary.
Q4) Distinguish between a lintel and an arch. What are the various materials used in the construction of the lintels? Sketch an R.C.C. lintel.
Q5) What factors should be considered while selecting a roof covering? List the roof coverings which are commonly used?
Q6) Write explanatory note on white washing.
(Section C)
(2X10=20)
Attempt any two questions from Section C
Q7) What is Dampness? What are its ill effects? Explain with sketches how damp proofing is done in building?
Q8) Write short note on door framer and method of their fixing to brick masonary.
Q9) What kind of floor finishing will be required for a warehouse and briefly describe the method of construction.
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