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Question
In grillage foundations a minimum 15 cm cover is provided on
Options
A. upper flange of top tier
B. lower beam of lower tier
C. ends of external beams
D. none to these.
Correct Answer
lower beam of lower tier
Building Construction problems
Search Results
1. To support a heavy structure in sandy soil, the type of foundation generally used, is
Options
A. combined footing
B. raft footing
C. pier footing
D. strap footing
E. none of these.
Show Answer
Scratch Pad
Discuss
Correct Answer: pier footing
2. The strength of brick masonry in 1:6 cement mortar, is
Options
A. 20 tonnes/m
2
B. 40 tonnes/m
2
C. 50 tonnes/m
2
D. 60 tonnes/m
2
E. 75 tonnes/m
2
.
Show Answer
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Discuss
Correct Answer: 50 tonnes/m
2
3. The lower half portion between crown and skew back of the arch, is called
Options
A. spandril
B. haunch
C. springing
D. soffit.
Show Answer
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Discuss
Correct Answer: haunch
4. In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to
Options
A. 15 mm
B. 25 mm
C. 35 mm
D. 45 mm
E. 55 mm.
Show Answer
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Discuss
Correct Answer: 25 mm
5. The dimensions of a half queen closer, are
Options
A. 9 cm x 9 cm x 9 cm
B. 9 cm x 9 cm x 4.5 cm
C. 9 cm x 4.5 cm x 9 cm
D. 1.8 cm x 4.5 cm x 9 cm.
Show Answer
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Discuss
Correct Answer: 9 cm x 4.5 cm x 9 cm
6. Raft foundations are used for :
Options
A. providing increased area of foundation over poor bearing capacity of soil
B. spanning over small soft or loose pockets
C. counter acting the hydrostatic effect
D. all the above.
Show Answer
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Discuss
Correct Answer: all the above.
7. Expansion joints in masonry walls are provided if length exceeds
Options
A. 10 m
B. 20 m
C. 30 m
D. 40 m
E. 50 m.
Show Answer
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Discuss
Correct Answer: 40 m
8. An arch constructed with finely dressed stones, is known
Options
A. ashlar arch
B. rubble arch
C. gauged arch
D. axed arch.
Show Answer
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Discuss
Correct Answer: ashlar arch
9. For different layers of cement concrete floor. Pick up the incorrect statement from the following :
Options
A. The lowest layer consists of consolidated ground
B. A 10 cm thick clean sand is laid on consolidated ground
C. A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand
D. A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer.
Show Answer
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Discuss
Correct Answer: A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer.
10. To obtain good bonding in brick masonry
Options
A. first class bricks are used
B. vertical joints in alternate courses are kept in plumb line
C. bats are used where necessary
D. all the above.
Show Answer
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Discuss
Correct Answer: all the above.
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