Concrete
Subject: CONCRETE
Answer the questions with the given choices. The entire questions are composed of basic and board exam type questions. Answer the questions sincerely with the time alloted. The main objective of the quiz is to let the examinees have the feel of answering questions while time pressured.
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- 1.
Mixture of silica and lime?
- A.
Concrete
- B.
Mortar
- C.
Grout
- D.
Putty
Correct Answer
A. Concrete -
- 2.
For cement plaster to hold, what is the professional approach you can do?
- A.
Make plaster thinner
- B.
Add more cement
- C.
Less water
- D.
Apply more plasticizers
Correct Answer
B. Add more cement -
- 3.
Number of days to remove formworks after concreting?
- A.
28 days
- B.
14 days
- C.
7 day
- D.
1 day
Correct Answer
D. 1 day -
- 4.
Procedure of mixing concrete manually/?
- A.
Mix proportion of sand and cement, then put gravel on top, water it, then mix
- B.
Mix cement, sand and gravel, then put water and mix
- C.
Mix proportion of sand and gravel, then put cement on top, water it, then mix
- D.
None
Correct Answer
A. Mix proportion of sand and cement, then put gravel on top, water it, then mix -
- 5.
A massive concrete wall that resists overturning by virtue of its own weight?
- A.
Gravity wall
- B.
Block wall
- C.
Shear wall
- D.
Mass concrete wall
Correct Answer
A. Gravity wall -
- 6.
A system used for securing the formwork on wall concreting?
- A.
Coil ties system
- B.
Bracing system
- C.
Wall system
- D.
Metal formwork system
Correct Answer
A. Coil ties system -
- 7.
A massive concrete wall that resists overturning by virtue of its own weight?
- A.
Gravity wall
- B.
Block wall
- C.
Shear wall
- D.
Mass wall
Correct Answer
A. Gravity wall -
- 8.
For 20 cu.m. of concrete using “class A” mixture and 40kg bag of cement, we need a?
- A.
200 bags of cement, 10 cu. m. of sand and 20 cu.m. of gravel
- B.
180 bags of cement, 10 cu. m. of sand and 20 cu.m. of gravel
- C.
180 bags of cement, 10 cu. m. of sand and 10 cu.m. of gravel
Correct Answer
B. 180 bags of cement, 10 cu. m. of sand and 20 cu.m. of gravel -
- 9.
In masonry, a hard stone or brick used to reinforce an external corner of a wall
- A.
Metal plate
- B.
Coign
- C.
Peso
- D.
Queen block
Correct Answer
B. Coign -
- 10.
If the column section is 400x400mm, the main bar is 22mm with 10mm ties, what is the distance of the lateral ties?
- A.
350mm
- B.
400mm
- C.
450mm
- D.
480mm
Correct Answer
A. 350mm -
- 11.
Structural steel T-section is composed of?
- A.
Flange and stem
- B.
flange and web flange
- C.
flange and fillet
- D.
None
Correct Answer
A. Flange and stem -
- 12.
Form used for precast fabrication?
- A.
Cast iron
- B.
casting bed
- C.
Cushion bed
- D.
None
Correct Answer
B. casting bed -
- 13.
Important component to determine the strength of concrete?
- A.
Cement mixture
- B.
Water cement ratio
- C.
Amount of cement
- D.
Water ratio
Correct Answer
B. Water cement ratio -
- 14.
The process of removing concete form works
- A.
Stripping
- B.
clearing
- C.
Deforming work
- D.
Screeding
Correct Answer
A. Stripping -
- 15.
In precast concrete beam with a span of 10.00m carrying light load, What is the ideal depth?
- A.
62 cm
- B.
100 cm
- C.
83 cm
- D.
50 cm
Correct Answer
A. 62 cm -
- 16.
Joint between the concrete column and CHB wall?
- A.
Construction joint
- B.
Cold joint
- C.
Control joint
- D.
Contraction joint
Correct Answer
C. Control joint -
- 17.
Extended bars provided on slab on fill for concrete stairs?
- A.
Starter bars
- B.
Dowel
- C.
Diagonal bars
- D.
Traversed bars
Correct Answer
B. Dowel -
- 18.
"Class A" mixture?
- A.
1:1 1/2 :3
- B.
1: 2: 4
- C.
1: 2 1/2 : 5
- D.
1: 3 : 6
Correct Answer
B. 1: 2: 4 -
- 19.
Size of measuring box for a 50kg bag of cement?
- A.
30 x 30 x 30
- B.
32 x 32 x 32
- C.
32 x 32 x 33
- D.
33 x 33 x 32
Correct Answer
C. 32 x 32 x 33 -
- 20.
What is the most appropriate building material if build near the sea, considering aesthetics?
- A.
Concrete finish
- B.
Metal cladding
- C.
Stucco
- D.
Granite cladding
Correct Answer
C. Stucco -
- 21.
What is the purpose of placing space between pebble-wash finish?
- A.
Prevent slipping
- B.
Prevent creeping crack
- C.
Prevent disoriented accumulation of dirt
- D.
Mainly aesthetics
Correct Answer
B. Prevent creeping crack -
- 22.
Which flooring is best for heavy traffic?
- A.
Vitrified tiles
- B.
Vinyl tile
- C.
Granite tile
- D.
Place concrete
Correct Answer
D. Place concrete -
- 23.
A skilled person who is utilized for finishing/ plastering/ block laying/ installing tiles etc.
- A.
Carpenter
- B.
Finishing mason
- C.
Painter
- D.
Foreman
Correct Answer
B. Finishing mason -
- 24.
System that is best used in filling beams and slabs of concrete together at the second floor of the building?
- A.
1-bagger
- B.
2-bagger
- C.
Transit mix
- D.
Transit mix with duct
Correct Answer
D. Transit mix with duct -
- 25.
A rough plaster finish obtained by flinging on a wall?
- A.
Broom finish
- B.
Tyrolean finish
- C.
Ducco finish
- D.
Stucco finish
Correct Answer
B. Tyrolean finish -
- 26.
Ready mix concrete should be tested at?
- A.
Site
- B.
Plant
- C.
Office
- D.
ASTM
Correct Answer
A. Site -
- 27.
What concrete has no reinforcement?
- A.
Lean concrete
- B.
Concrete hollow block
- C.
Mass concrete
- D.
Mat concrete
Correct Answer
C. Mass concrete -
- 28.
In a one-story building, what do you call the concrete where the foundation rests?
- A.
Lean concrete
- B.
Mat concrete
- C.
Foundation concrete
- D.
Mass concrete
Correct Answer
A. Lean concrete -
- 29.
What is concrete curing?
- A.
Fast drying of concrete
- B.
Voids in concrete after drying
- C.
Retaining of water through hydration
- D.
Mixing of water and cement
Correct Answer
C. Retaining of water through hydration -
- 30.
The concrete is already mixed but there's an anticipated heavy rain coming. What is the best thing to do?
- A.
Put tarpaulin on concrete after pouring
- B.
Add admixtures to decrease the time of hardening
- C.
Reschedule the pouring of concrete
- D.
Any will do
Correct Answer
A. Put tarpaulin on concrete after pouring -
- 31.
Concrete pouring is already scheduled but there's unexpected heavy rain coming. What is the best thing to do?
- A.
Stick with the schedule, to be covered by tarpaulin if needed
- B.
Reschedule
- C.
Apply admixture to speed up the curing process
- D.
Apply retarders admixture to slow down the hydration of concrete while waiting for the weather to get better
Correct Answer
B. Reschedule -
- 32.
What happens to the newly placed concrete in the beams, slabs or column if it is not vibrated properly?
- A.
Honeycomb
- B.
Slow hardening
- C.
The concrete will not achieved its desired design strength
- D.
Slows it's hardening process
Correct Answer
A. Honeycomb -
- 33.
What is the best way to avoid damage of aluminum sections during concreting/ masonry works?
- A.
Use packaging tapes to perimeter frames and to be removed when all are set
- B.
Finish all masonry works before installation
- C.
Aluminum is not as sensitive as chrome finish, it can be installed before or after base on construction target to finish
- D.
Install soft covering and to be removed when concreting is done
Correct Answer
B. Finish all masonry works before installation -
- 34.
What types of precast concrete is popular because aside from providing structural support, it could also be utilized as a floor?
- A.
Tee and double tee beams
- B.
Concrete decking
- C.
Waffle slabs
- D.
Composite steel decking
Correct Answer
A. Tee and double tee beams -
- 35.
What is the disadvantage of using precast concrete beams?
- A.
Larger beam depths
- B.
The beams tend to lose anchorage
- C.
Transportation difficulties
- D.
Expensive
- E.
All mention
Correct Answer
E. All mention -
- 36.
What is the concrete class AA ratio?
- A.
1:1:3
- B.
1:2:4
- C.
1:2.5:5
- D.
None
Correct Answer
D. None -
- 37.
Curing time of concrete?
- A.
28 hours
- B.
4 weeks
- C.
1 month
- D.
2 months
Correct Answer
B. 4 weeks -
- 38.
Ready mix concrete should be tested at?
- A.
Construction site
- B.
Manufacturing lab test for accurate testing
- C.
ASTM
- D.
Cylinder test
Correct Answer
A. Construction site -
- 39.
At the start of concrete pouring, a cylinder test is done. How many days is the concrete cured before being tested to get roughly half the strength of its final cured strength?
- A.
7 days
- B.
14 days
- C.
28 days
- D.
30 days
Correct Answer
A. 7 days -
- 40.
Estimate how many concrete hollow blocks to be use for a 5.0 m x 5.0 m space and 3.0 m ceiling height? The room has a Door size of 2.10 x 0.90 m and window opening of 1.20 x 2.40
- A.
650
- B.
690
- C.
500
- D.
750
Correct Answer
B. 690 -
- 41.
In basic mixture of concrete, which one have a greater volume?
- A.
Cement
- B.
Water
- C.
Sand
- D.
Aggregates
Correct Answer
D. Aggregates -
- 42.
What type of water ideally use for mixing of concrete?
- A.
Potable
- B.
Mineral water
- C.
Sterilized
- D.
Distilled
Correct Answer
A. Potable -
- 43.
Which is not the main property of a concrete?
- A.
Workability
- B.
Cohesiveness
- C.
Strength
- D.
Elasticity
Correct Answer
D. Elasticity -
- 44.
Concrete has 3 different states, which one is not?
- A.
Plasticity
- B.
Moisturizing
- C.
Setting
- D.
Hardening
Correct Answer
B. Moisturizing -
- 45.
The ready mix concrete was delivered to the jobsite. As ordered by the construction supervisor, the concrete will be placed on the wheelbarrow first as the location for the pouring is at the interior part of the building. One of the laborer has an urgent discussion with the supervisor, and the concrete was slightly hardened. What is the basic thing to do?
- A.
Add ample amount of water
- B.
Add ample amount water and cement
- C.
Add water, cement and gravel
- D.
Add moisturizer
Correct Answer
B. Add ample amount water and cement -
- 46.
Is it proper to spread concrete sideways using poker vibrator?
- A.
Yes
- B.
No
- C.
Yes, just make it slowly
- D.
No, use shovel to spread
Correct Answer
D. No, use shovel to spread -
- 47.
Which is the deal method to use the poker vibrator when compacting the concrete? See illustration shown:
- A.
Put the poker into the concrete QUICKLY. Take the poker out very SLOWLY
- B.
Put the poker into the concrete SLOWLY. Take the poker out very QUICKLY
- C.
Put the poker into the concrete SLOWLY. Take the poker out very SLOWLY
- D.
Put the poker into the concrete QUICKLY. Take the poker out very QUICKLY
Correct Answer
A. Put the poker into the concrete QUICKLY. Take the poker out very SLOWLY -
- 48.
An admixture which is used to speed up the initial set of concrete
- A.
Accelerators
- B.
Concrete booster
- C.
Retarders
- D.
Dispersal agents
Correct Answer
A. Accelerators -
- 49.
Class of rock changed from their original structure by the action of extreme pressure,heat, or combination of these forces?
- A.
Metamorphic
- B.
Crushed rock
- C.
Igneous
- D.
Sedimentary
Correct Answer
A. Metamorphic -
- 50.
A colorless mineral when pure and used as a retarder in Portland cement?
- A.
Gypsum
- B.
Ashlar
- C.
Clear statuaire
- D.
Lime
Correct Answer
A. Gypsum -
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 20, 2022Quiz Edited by
ProProfs Editorial Team -
Dec 05, 2012Quiz Created by
Kubo
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