The soundness of cement is teste b Le Chatalier apparatus Vicat apparatus Autoclave test Duff Abrams apparatus i need clear ans and solve

ZVV @ Pozzolanic materials: * Decrease segregation of concrete docs.google.com Both of these Increase compressive strength of concrete Beams ۱۰:۳۳ ص Curing f concrete with ponding and immersion is suitable for Columns Slabs None of these Ready mix concrete using Wight batching method Both of these * Volume batching method Asiacell.

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- Los Angles machine is used to test the aggegate for crushing strength b- Lmpat value. C- Abrasion resistance d-Water absoption: a - 2- Sieve Nos. 10mm and 4-75mm are generally used for grading of nggregat es b- Fine nggregates C-Nether (a) nor b) D-Both (a) and (6) a - Coarse 3- The property f the ingdedients to sparate from each other while placing the concrete is colled segregation b- Compaction C-shrinkage d- Bulking 4- specified compyessive strength of concrete is obtained from Cube test at the end a a - 3 days b-7 doays C- 24 days d- 28 day s ® wh at do you understand by grading of aggregah O List the factors that influence the workability of Concrete ? O Mention the factors which aftect the strengh of Concrete ? O what are the initial and finul setting times af Cement2 what is their mpartanko?

1. Color codung for regular PNS Standard 415 rebar. a) white b) red c) green d) yellow 2. Cement is mostly composed of ____? a) Gypsum b) Limestone c) Clay  d) Ore

On most rigs cement materials are handled in bulk, which makes blending and mixing much easier. a. True b. False

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1.Curing is the -----in which the concrete is protected from loss moisture. 1.process 2. progress 3. durability 2.All formwork should be eased gradually in order to ---- the load being suddenly transferred to concrete. 1.light 2. prevent 3. car fully 3.Width of gravity wall concrete block between----mm 3.40-100 1.30-80 2.40-90 4.The metal Ties in Gravity walls are coated with------ 1.hot tar 2. cheap material 5.EPS made from------ 1.polystyrene 3.hot plastic 2. monomer styrene 3. photolysis 6.Thermal insulation has greatest potential for reducing----- 1.001 2.CO2 3.03 7.Reason of clay Bricks contain-----whit crystals that appear irregular. 1.soluble salt 2. binding coarse 3. light material 8. Gable window are provided in gable end of 1.floor 2. frame 3. roof 9.Failure occurs in long column due------ 1.lateral instability 2. axial load 10.TO decrease the soluble salt inside brick using------ 2. saturation 1.drying 3. soaked 3. material failure

Yo mm Ve 6 Je e Salll ZAINIQ ; - 25l bt sese Homework blas . aall b g wslo] ) Design a concrete mix according to ACI 211 for construct reinforced columns, exposed to freezing and thawing, the compressive design strength is (25 MPa), the standard deviation equal to (6), and (8%) test results expected below minimum strength. The maximum size of aggregate is (19mm), and its bulk density is (1500 Kg/m3), and its fineness modulus is (2.7). An Air entraining agent is used. Find the quantities of materials required to mix with 50 Kg of cement. podl eluctll sc30 cllac

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