Building Construction Technology Online Test – Paper 2

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Vikash chaudhary

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Total Questions: 30
Time Allotted: 30 minutes
Passing Score: 50%
Randomization: Yes
Certificate: No
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1 / 30

1. The aggregate containing moisture in pores and having its surface dry is known as:

a) moist aggregates

b) very dry aggregates

c) dry aggregates

d) saturated surface dry aggregate

2 / 30

2. The bulk density of aggregates is generally expressed as:

a) tonnes/cubic meter

b) kg/cubic meter

c) kg/liter

d) g/cm┬│

3 / 30

3. The D.P.C. should be:

a) continued and unbroken through the length and thickness of the wall

b) sealed with bitumen at lap joints

c) even at the source of moisture

d) all of the above

4 / 30

4. A flaky aggregate is said to be elongated if its greatest dimension (length) is greater than:

a) one-fifth of the mean size

b) nine-fifths of the mean size

c) two-fifths of the mean size

d) seven-fifths of the mean size

5 / 30

5. The foundation in which a cantilever beam is provided to join two footings is known as:

a) strip footing

b) strap footing

c) combined footing

d) raft footing

6 / 30

6. Water-cement ratio by weight is:

a) Same as the volume

b) All of the above

c) Higher as compared to that by volume

d) Less than that by volume

7 / 30

7. Concrete mainly consists of:

a) Cement

b) Aggregates

c) Admixture

d) All of the above

8 / 30

8. The risk of segregation is more for:

a) wet mix

b) coarse grading

c) larger proportion of maximum size aggregate

d) all of the above

9 / 30

9. Negative skin friction of piles is predominant in

a) friction piles in sand

b) friction piles in soft clays

c) piles resting on hard soils

d) friction on bearing piles

10 / 30

10. The flooring suitable for a noiseless situation (theater, churches, libraries, etc.) is:

a) Cork flooring

b) Wooden flooring

c) Timber flooring

d) Granolithic flooring

11 / 30

11. Practically which one is not concerned with w/c ratio in the construction industry:

a) 01:00.0

b) 01:00.0

c) 01:01.0

d) None of the above

12 / 30

12. A floor constructed with special aggregate of 3 mm marble chips mixed with white and colored cement is called:

a) Mosaic floor

b) Terrazzo floor

c) Chips floor

d) Marble floor

13 / 30

13. Raft foundations are generally used when the area required for individual footing is more than:

a) 25% of the total area

b) 30% of the total area

c) 40% of the total area

d) 50% of the total area

14 / 30

14. An ornamental projection from the face of a brick wall is called:

a) header

b) stretcher

c) corbel

d) cornice

15 / 30

15. Black cotton soil is unsuitable for foundations because of its:

a) low bearing capacity

b) uncertain permeability

c) cohesive particles

d) property to undergo a volumetric change due to moisture constant

16 / 30

16. The shrinkage in cement concrete decreases with:

a) addition of load

b) removal of load

c) removal of moisture

d) addition of moisture

17 / 30

17. Pick up the incorrect statement from the following:

a) Tricalcium silicate (c3s) hydrates rapidly

b) Tricalcium silicate (c3s) generates more heat of hydration

c) Tricalcium silicate (c3s) develops early strength

d) Tricalcium silicate (c3s) has more resistance to sulfate attack

18 / 30

18. Bringing the floor to a true level surface by means of screeds is known as:

a) Topping

b) Bedding

c) Screeding

d) None of the above

19 / 30

19. The bulk density of an aggregate does not depend upon:

a) Size and shape of aggregates

b) Specific gravity of aggregates

c) Grading of aggregates

d) Size and shape of the container

20 / 30

20. The commercial name of white and colored cement in Nepal is:

a) Colocrete

b) Rainbow cement

c) Silvicrete

d) All of the above

21 / 30

21. The least bearing capacity of soil is that of:

a) hard rocks

b) moist clays

c) soft rocks

d) laminated rocks

22 / 30

22. The flooring suitable to resist heavy wear and provide an attractive appearance is:

a) Cork flooring

b) Wooden flooring

c) Timber flooring

d) Granolithic flooring

23 / 30

23. Minimum number of test specimens required for finding the tensile strength of concrete is:

a) 3

b) 5

c) 6

d) 9

24 / 30

24. The arrangement made to support an unsafe structure temporarily is known as:

a) shoring

b) scaffolding

c) underpinning

d) jacking

25 / 30

25. The thickened portion of a masonry wall is called:

a) buttress

b) pilaster

c) pillar

d) leg of the wall

26 / 30

26. The D.P.C. is provided in the building in the form of:

a) horizontal

b) vertical

c) both of the above

d) none of the above

27 / 30

27. A bifurcated stair is normally used in:

a) Residential building

b) Office building

c) Modern public building

d) None of the above

28 / 30

28. The members which support covering materials of a sloping roof are:

a) Rafter

b) Batten

c) Purlin

d) Strut

29 / 30

29. Proper batching ensures:

a) Economy

b) Durability

c) Workability

d) All of the above

30 / 30

30. The maximum thickness of door shutters provided in doors is:

a) 20 mm

b) 30 mm

c) 38 mm

d) 50 mm

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