Correct Answer is: holds back moisture

the line in front of which no building is allowed

a line seen through the eyepiece of a surveyors level

provides a bed for floor joists

binds the lower courses together

Concrete Technology MCQ Multiple Choice Questions Answers for Practice

Q: 1. A brick scutch should be used to

Correct Answer is: trim rough-cut bricks

Q: 2. A building line is

Correct Answer is: the line in front of which no building is allowed

Q: 6. A horizontal d.p.c. is placed to stop moisure

Correct Answer is: rising up from the ground

Q: 7. A horizontal member used in trench timbering is a

Correct Answer is: waling board

Q: 10. Before a foundation may be concreted, the natural foundation must be inspected by the

Correct Answer is: building control officer

Q: 12. Care should be taken when using a plumb rule during periods of

Correct Answer is: strong winds

Q: 14. Curing of concrete is achieved by providing

Correct Answer is: damp conditions

Q: 15. Dry rot in timber is the result of

Correct Answer is: fungal attack

Q: 17. Having set out a rectangular building, the accurate check for squareness of the corners would be to

Correct Answer is: measure the diagonals

1. A brick scutch should be used to

adjust quoin bricks
cut small bevelled bats
cut perforated bricks
trim rough-cut bricks

2. A building line is

the line in front of which no building is allowed
part of a bricklayers tool kit
the datum line of a building
a line seen through the eyepiece of a surveyors level

3. A d.p.c.

provides a level bed
provides a bed for floor joists
holds back moisture
binds the lower courses together

4. A d.p.c. placed under a stone sill should extend on each side of the sill at least

75 mm
100 mm
150 mm
200 mm

5. A disadvantage with clayey subsoils is that in long periods of dry weather they tend to

lift
shrink
explode
collapse

6. A horizontal d.p.c. is placed to stop moisure

rising up from the ground
running down into the foundations
passing from the outer leaf to the inner leaf
flooding the cavity

7. A horizontal member used in trench timbering is a

waling board
poling board
foot prop
puncheon

8. A trench 4.000 m in length, 1.000 m in depth and 1.000 m wide is to be excavated; the sub-soil is clay. The amount to be carted away will be

6.500 m³
4.500 m³
5.00 m³
5.500 m³

9. Backfilling and compaction of trenches should be carried out in layers of

150 mm
200 mm
300 mm
450 mm

10. Before a foundation may be concreted, the natural foundation must be inspected by the

clerk of works
factory inspector
safety officer
building control officer

11. Bricks that are subjected to severe weather conditions should be

permeable
porous
dense
sulphate resisting

12. Care should be taken when using a plumb rule during periods of

strong winds
severe frost
patchy fog
prolonged rain

13. Coarse aggregate is mainly retained on a sieve of

3 mm
4 mm
5 mm
6 mm

14. Curing of concrete is achieved by providing

cold surface conditions
constant hot air
intermittent surface heat
damp conditions

15. Dry rot in timber is the result of

chemical decay
insect attack
old age
fungal attack

16. Hatching is a method which is used to indicate

materials
volume
density
dimensions

17. Having set out a rectangular building, the accurate check for squareness of the corners would be to

use an instrument called a sitesquare
measure each side to confirm the correct dimensions
measure the diagonals
place a builders square against each corner

18. Honeycombs in sleeper walls

improve speed of construction
increase underfloor warmth
provide underfloor ventilation
reduce the brickwork cost

19. I n order to qualify for the weekly tool allowance, a bricklayer may be expected to provide

bevel, square, dividers, carborundum stone
dividers, square, boat level, jointer
bevel, square, corner blocks, line level
corner blocks, jointer, carborundum stone, square

20. If a working drawing is made to a scale of 1 50, a length of 5.5 metres would be shown on the drawing by a length of

55 mm
110 mm
275 mm
550 mm

21. In open timbering, the poling boards are retained in position by using

puncheons
struts
lacings
walings

22. In tanking construction the cement mortar fill Is used to

increase the wall strength
prevent water penetration
strengthen the protective wall
protect the vertical asphalt

23. Intermediate level points between two previously established levels can be determied by using

boning rods
builders squares
trammel rods
gauge staffs

24. Plasticisers used in mortars increase

strength
density
adhesion
workability

25. Sand-lime bricks are hardened by

steaming in an autoclave
firing in a continuous kiln
the addition of Portland cement
continuous spraying with water

26. Setting-out lines for walls which divide semidetached houses are derived from

return profiles
gauge staffs
single profiles
building squares

27. Stabilising a bricklayers line in windy conditions is carried out by using

line pins
corner blocks
heavy lines
tingle plates

28. The application of asphalt to basements in order to prevent penetration of water is described as

flaunching
tanking
benching
haunching

29. The area of a brick which surrounds the frog is termed the

margin
stretcher face
arris
header face

30. The first reading taken from an instrument position is termed the

foresight
datum sight
intermediate sight
backsight

MCQ quiz on Concrete Technology multiple choice questions and answers on Concrete Technology MCQ questions on Concrete Technology objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams.