The process of consolidating concrete mix after placing it in position is termed as.
(a) Curing
(b) Wetting
(c) Compaction
(d) All of these

1 Answer

Answer :

(c) Compaction

Related questions

Description : The process of hardening the concrete by keeping its surface moist is known (A) Placing (B) Wetting (C) Curing (D) Compacting

Last Answer : Answer: Option C

Description : The process of keeping concrete moist for a certain period after its finishing, is known as (A) Finishing of concrete (B) Curing of concrete (C) Placing of concrete (D) Compaction of concrete

Last Answer : Answer: Option B

Description : The produce impermeable concrete (A) Thorough mixing of concrete is required (B) Proper compaction of concrete is required (C) Proper curing of concrete is required (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) Plain cement concrete is equally strong in compression as well as in tension (B) Slump test is performed to check concrete strength (C ... D) Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates

Last Answer : Option D

Description : The property of the ingredients to separate from each other while placing the concrete is called (A) Segregation (B) Compaction (C) Shrinkage (D) Bulking

Last Answer : Answer: Option A

Description : For the supply of materials for concrete, form work reinforcing and placing of concrete, removal of form work and curing of concrete, number of bar(s) required on bar chart, is (A) 1 (B) 2 (C) 3 (D) 4

Last Answer : (A) 1

Description : Explain the significance of batching, compaction and curing of concrete. 

Last Answer : Significance of Batching: 1. If the batching of materials required for concrete is not done appropriately, then random quantity of materials produce non-homogeneous concrete, which further leads to various ... . 3. Curing is necessary to make the concrete impermeable in nature its hardened state.

Description : Workability of concrete mix with low water cement ratio is determined by (A) Tensile strength test (B) Slump test (C) Compaction factor test (D) Flexural strength test

Last Answer : Answer: Option C

Description : Workability of a concrete – mix is determined by (i)Slump cone test (ii)Compaction factor test (iii)Vee bee test [ A ] i [ B ] ii [ C ] i and ii [ D ] i, ii and iii

Last Answer : [ D ] i, ii and iii

Description : Workability of concrete mix with low water cement ratio is determined by [ A ] Tensile strength test [ B ] Slump cone test [ C ] Compaction factor test [ D ] Flexural strength test

Last Answer : [ C ] Compaction factor test

Description : While determining the workability of concrete mix, the compaction factor test is ------than the slump cone test [ A ] Less accurate [ B ] More accurate [ C ] Approximate method [ D ] None of the above

Last Answer : [ B ] More accurate

Description : Modulus of elasticity of concrete is primarily influenced by [ A ] Elastic properties of aggregate [ B ] Curing of concrete [ C ] Age of concrete [ D ] Mix proportion and type of cement

Last Answer : [ A ] Elastic properties of aggregate

Description : The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called (A) Segregation (B) Bleeding (C) Bulking (D) Creep

Last Answer : Answer: Option B

Description : Pick up the correct statement from the following: (A) For thin structures subjected to wetting and drying, the water cement ratio should be 0.45 (B) For mass concrete structures subjected to wetting and ... under water, the water-cement ratio by weight should be 0.55 (D) All the above

Last Answer : Answer: Option D

Description : The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known (A) Grading (B) Curing (C) Mixing (D) Batching

Last Answer : (D) Batching

Description : The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known as [ A ] Curing [ B ] Mixing [ C ] Grading [ D ] Batching

Last Answer : [ D ] Batching

Description : The process of conversion of plastic concrete to solid stage is called [ A ] Hydration [ B ] Hardening [ C ] Setting [ D ] Curing

Last Answer : [ C ] Setting

Description : The process of keeping the concrete structure moist is called [ A ] Hydration [ B ] Curing [ C ] Creep [ D ] Shrinkage

Last Answer : [ B ] Curing

Description : The process of hardening of concrete in the presence of water is called [ A ] Creep [ B ] Hydration [ C ] Shrinkage [ D ] Curing

Last Answer : [ B ] Hydration

Description : The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than (A) 30 minutes (B) 40 minutes (C) 60 minutes (D) 90 minutes

Last Answer : Answer: Option A

Description : The process of mixing, transporting, placing and compacting the cement, concrete should not take more than. (a) 30 minutes (b) 60minutes (c) 90 minutes (d) 120mm

Last Answer : (a) 30 minutes

Description : The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the (A) ... (B) Heat of wetting (C) Integral heat of adsorption (D) None of these

Last Answer : (A) Differential heat of adsorption

Description : The removal of excess air after placing concrete helps in increasing the strength of concrete by (a) 15 to 20% (b) 20 to 30% (c) 30 to 50% (d) 50 to 70%

Last Answer : (a) 15 to 20%

Description : The compaction of concrete, improves (A) Density (B) Strength (C) Durability (D) All the abov

Last Answer : (D) All the above

Description : Wp and Wf are the weights of a cylinder containing partially compacted and fully compacted concrete. If the compaction factor (Wp/Wf ) is 0.95, the workability of concrete is (A) Extremely low (B) Very low (C) Low (D) High

Last Answer : Option D

Description : Concrete is unsuitable for compaction by a vibrator if it is (A) Dry (B) Earth moist (C) Semi-plastic (D) Plastic

Last Answer : Answer: Option D

Description : Non-uniform compaction may cause the concrete (A) Porous (B) Non-homogeneous (C) Reduced strength (D) All the above

Last Answer : Answer: Option D

Description : The compaction of concrete in the drilled pile hole is done by compressed air in the case of (A) Simplex pile (B) Franki pile (C) Pressure pile (D) Vibro pile

Last Answer : Answer: Option C

Description : The purpose of lateral ties in short R.C. columns is to (a) Increase the load carrying capacity of column (b) Facilitate compaction of concrete (c) Facilitate construction (d) Avoid buckling of longitudinal bars

Last Answer : (d) Avoid buckling of longitudinal bars

Description : The workability of concrete is expressed by (a) Water-cement ratio (b) Slump value (c) Compaction factor (d) Both (a) and (b)

Last Answer : (d) Both (a) and (b)

Description : The purpose of lateral ties in short reinforced concrete columns is to [ A ] Facilitate construction [ B ] Facilitate compaction of concrete [ C ] Increase the load carrying capacity of the columns [ D ] Avoid buckling of longitudinal bars

Last Answer : [ D ] Avoid buckling of longitudinal bars

Description : Concrete is unsuitable for compaction by vibration if it is [ A ] Semi – plastic [ B ] Plastic [ C ] Earth moist [ D ] Dry

Last Answer : [ B ] Plastic

Description : Which one of the following represents an activity? (A) Excavation for foundation (B) Curing of concrete (C) Setting of question paper (D) All the above

Last Answer : (D) All the above

Description : Curing (A) Reduces the shrinkage of concrete (B) Preserves the properties of concrete (C) Prevents the loss of water by evaporation (D) All of the above

Last Answer : (D) All of the above

Description : Strength of concrete increases with (A) Increase in water-cement ratio (B) Increase in fineness of cement (C) Decrease in curing time (D) Decrease in size of aggregate

Last Answer : (B) Increase in fineness of cement

Description : For providing a raft foundation, the following activities are involved 1. Ramming the foundation bed 2. Excavation of the soil upto required depth 3. Laying the reinforcement over the foundation bed 4. Curing the cement concrete placed over ... 2, 1 (C) 2, 1, 3, 5, 4 (D) 3, 2, 5, 1, 4

Last Answer : Answer: Option C

Description : Modulus of elasticity of concrete is increased with (a) Higher W/C ratio (b) Shorter curing period (c) Lesser vibration (d) Increase in age

Last Answer : (d) Increase in age

Description : The object of curing is to (a) Prevent the loss of water by evaporation. (b) Reduce the shrinkage of concrete (c) Preserve the properties of concrete (d) All of these

Last Answer : (d) All of these

Description : Blast furnace slag cement concrete requires ___________time for shuttering and curing. (a) Less (b) More (c) Medium (d) All the above

Last Answer : (b) More

Description : For Ordinary Portland cement concrete exposed to dry and hot weather conditions, good moist curing period is [ A ] 7 days [ B ] 10 days [ C ] 14 days [ D ] None of the above

Last Answer : [ B ] 10 days

Description : At 28 days of curing concrete attains a strength of [ A ] 20 to 25% [ B ] 60 to 70% [ C ] 65 to 80% [ D ] 90 to 95%

Last Answer : [ D ] 90 to 95%

Description : Consider the following operations: 1. Drilling 2. Blasting 3. Mucking 4. Placing steel 5. Placing concrete The correct sequence of these operations in tunnel construction is (A) 1, 2, 4, 3, 5 (B) 1, 3, 2, 4, 5 (C) 1, 2, 3, 4, 5 (D) 1, 3, 4, 2,

Last Answer : (C) 1, 2, 3, 4, 5

Description : To prevent segregation, the maximum height for placing concrete, is (A) 100 cm (B) 125 cm (C) 150 cm (D) 200 cm

Last Answer : Answer: Option A

Description : While placing of concrete the thickness of each layer for R.C.C. is [ A ] 150 to 300 mm [ B ] 450 mm [ C ] 500 to 750 mm [ D ] 500 mm

Last Answer : [ A ] 150 to 300 mm

Description : The technique of placing guttapercha cones against the root canal walls providing space for additional guttapercha is termed: A. Lateral Condensation B. One major Gutta Percha point C. Laterally above condensed

Last Answer : A. Lateral Condensation

Description : How does consolidating credit cards affect one's credit?

Last Answer : If you can manage the consolidation successfully then it can actually help raise your credit rating, however.. If it gets out of hand then watch out as your good credit plummits.

Description : If you are on a budget, and are having a hard time paying off debt. Is consolidating your debt with a loan a good option?

Last Answer : Not always. Sometimes it just aggravates the problem. See a debt counselor first.

Description : The purpose of maintaining the SO summary is a) For consolidating the monetary transaction of the SOs in account with it b) To check the transaction of the SOs including the branch offices in account with ... stamps and postage due in transit between the HO and the SO under it. d) All the above

Last Answer : d) All the above

Description : Consolidating many items into one container, sealed at the point of origin and opened at the destination, is referred to as A)canning. B)containerisation. C)unitised shipping. D)preservation.

Last Answer : B)containerisation.

Description : Describe Briefly The Various Methods Of Concrete Curing?

Last Answer : Answer : Curing is the process of maintaining the moisture and temperature conditions for freshly deployed concrete. This is done for small duration of time to allow the hardening of concrete. The methods that ... can be applied on curing surface. This keeps the surface wet for a very long time.