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What are viva questions in vb answers com. aggregate impact test viva questions and answers. 28th, 2018 aggregate impact test viva questions and answers hmt lab viva questions with answers aggregate impact test viva questions on aggregate crushing value april 25th, 2018 below are examples of hmt lab questions.Get Quote
Procedure of aggregate impact value test the test sample normally aggregates sized 10.0 mm to 12.5 mm. the aggregates should be dried by heating at 100110 0c foreriod ofours and cooled. sieve the material through 12.5mm and 10.0 mm is sieves.
Viva questions for jaw crusher in proddatur. viva questions about jaw crusher miningrusher wikipedia, the free encyclopedia viva questions about jaw crusher mining,this mechanical pressure is achieved by the two jaws of the crusher of which one is fixed while the other, jaw crushers are heavy duty machines and hence need to be robustly constructed the.
The collected aggregate sample should have at least 200 numbers of individual aggregate for accurate test results from each range of is sieve. we takeange of aggregate samples retained on 6.3 mm is sieve. separate test can be conducted on each range of sieve. take the weight of the total aggregate sample collected for tests as w1.
Cbr test. 2. aggregate crushing value test. 3. los angeles abrasion value test of aggregates. 4. aggregate impact value test. 5. shape test of aggregates 6. specific gravity and water absorption test for coarse aggregates. 7. softening point ring and ball test of bitumen. 8. penetration value test of bitumen. 9. marshall stability test. 10.
The los angeles test iseasure of degradation of mineral aggregates of standard gradings resulting fromombination of actions including abrasion or attrition, impact, and grinding inotating steel drum containingpecified number of steel spheres. the los angeles l.a. abrasion test isommon test method used to indicate aggregate toughness.
Aggregate crushing value. 1.the ratio of the weight of fines formed to the total sample weight in each test shall be expressed asercentage, the result being recorded to the first decimal place aggregate crushing value ba00 whereeight of ovendried sampleeight inf fraction passing through 2.36 mm is sieve. 6.video aggregate crushing value.
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The page description. method of calculation of the fineness in generalmall value indicatedine material whilearge value indicatesoarse material the value for tine aggregates commonly ranges from 200 to 400 and for coarse aggregate from 650 to 800 when all the material is finer than the 112in 42 as noted in the standard definition of fineness modulus.
The crushed aggregate sample which is finer than 2.36 mm is separated and expressed asercentage of the original weight taken in the mold.the percentage of weight passed through the 2.36m is sieve is known as the aggregate crushing value.. in situations, when the aggregate value is 30 or higher the result may beistake and in such cases, the ten percent fines.
Abrasion test is the measure of aggregate toughness and abrasion resistance such as crushing, degradation and disintegration. this test is suggested by aashto6 or astm31 resistance to degradation of smallsize coarse aggregate by abrasion and impact in los angeles machine. the aggregates are used for the surface course of the highway.
Aggregate impact value. the test sample shall consist of aggregates the whole of which passes through in b.s. test sieve and is retained on8 in b.s. test sieve. the aggregate comprising the test sample shall be dried in an oven foreriod of four hours atemperature of 100110nd cooled.the measuring cup shall be filled about.
Aggregates crushing machinery presentation in ppt coal crushing amp grinding production line aggregates crushing machinery presentation in ppt posted at ap cgm machinery manufacturesull line of crushing equipment for use in processing quarried stone rocks aggregate viva questions on aggregate crushing value test.
Aggregate crushing value acv test indicates the resistance to crushing under gradually applied crushing load. it is measured as percentage of aggregates passing through 2.36 mm is sieve after specimen subjected toompressive load of 40 tonne at the rateonne per minute and to the weight of aggregates taken.
Procedure of aggregate impact test. the test sample consists of aggregates sized 10.0 mm 12.5 mm. aggregates may be dried by heating at 100110oreriod ofours and cooled.ieve the material through 12.5 mm and 10.0mm is sieves. the aggregates passing through 12.5mm sieve and retained on 10.0mm sieve comprises the test material.
Aggregate impact value this test is done to determine the aggregate impact value of coarse aggregates as per is 2386 part iv 1963. the apparatus used for determining aggregate impact value of coarse aggregates is impact testing machine conforming to is 2386 part iv 1963,is sieves of sizes 12.5mm, 10mm and 2.36mm, a.
Aggregate crushing value test cement concreteub composite bridge girder being transported to site 1. concrete is quasibrittle material. three major modes of failure of materials are brittle, quasibrittle failure, and ductile failure. typical failure of brittle and ductile failures are glass and mild steel respectively.
Then crushed aggregates are then sieved through 2.36 mm sieve and weight of passing material w2 is expressed as percentage of the weight of the total sample w1 which is the aggregate crushing value. aggregate crushing value w1w2100.alue less than 10 signifies an exceptionally strong aggregate while above 35 would normally be.
This is the dbms questions and answers section on aggregate functions with explanation for various interview, competitive examination and entrance test. solved examples with detailed answer description, explanation are given and it would be easy to understand. aggregate functions dbms questions.
Viva questions about jaw crusher binq miningin aggregate crushing value test viva question. viva questions on aggregate crushing value test binq mining dayananda sagar college of engineering the aggregate crushing value of the coarse aggregates used for cement concrete the average value of two los angeles abrasion test is viva voceore.
Clarification aggregate crushing value is found as the percentage ratio of the weight of the sample passing the sieve to the original weight of the sample. so, the aggregate crushing value for the above sample would be frac 761 2731 10027.86 approx28. the value is rounded off to nearest whole number and is expressed in percentage. 9.
Aggregate impact value test also gives an indirect indication of the strength characteristics of aggregate. aggregate impact value ofample also depends on the shape factors such as flakiness index and elongation index of the aggregates. it has been found that for majority of aggregates, the aggregate crushing value and aggregate impact.
Concrete technology lab viva questions and answers do you put it? 37. the aggregate crushing value of materials 40 and that ofs 25. which one is better and why? 38. how is the aggregate impact value expressed? 39. the aggregate impact values 20 and that ofs 45. which ones better for surface class?
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The maximum value for the road pavement should be 60. precaution of test. the machine should be revolved at uniform speed. the sample of aggregate should be carefully chosen according to the is code. the aggregates should be washed clearly before testing of aggregate. read also, aggregate impact value test step by step procedure with report.
33. list the factors that affect the result ofuctility test? 34. explain the significance of ductility test? 35. explain the term viscosity? 36. explain aggregate crushing value. how would you express? 37. aggregate crushing value of materials 40 and that ofs 25. which one is better and why? 38.
Aggregate crushing value test viva questions. aggregate crushing value. 1.the ratio of the weight of fines formed to the total sample weight in each test shall be expressed asercentage, the result being recorded to the first decimal place aggregate crushing value ba00 whereeight of ovendried sampleeight inf.
3 times, theest results are entered in the database. the summary only includes data where there were more thanccurrences ofimilar variable mix type, aggregate type, pg binder test is perform until3 reduction or more of the maximum load measured from the first opening cycle. if 93 is not reach, the test is run to 1200 cycles.
Which one is better for surface course? 26. the abrasion value found from los angeles test for two aggregatesndre 50 and 38 respectively. which aggregate is harder? 27. two materials have abrasion valuesnd 10 respectively. which one is harder and why? 28. define flash and fire points of bitumen?
What are viva questions in vb answers com. aggregate impact test viva questions and answers. 28th, 2018 aggregate impact test viva questions and answers hmt lab viva questions with answers aggregate impact test viva questions on aggregate crushing value april 25th, 2018 below are examples of hmt lab questions.
The test sample shall consist of aggregate the whole of which passes2.5 mm is sieve and is retained on0 mm is sieve. the aggregate comprising the test sample shall be dried in an oven foreriod of four hours atemperature of 100 to 110nd cooled.