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USN
Fourth Semester B.E. f)egree Examin
.20115/Jan"2015
Goncrete Technology Time: 3 hrs.
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PART _ A
(tr0 Marks) Explain with flow chart, the cerrent manufactured by wet process. List the different laboratory tests conducted on cement. Explain any one of them in detail.
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(10 Marks)
Discuss the role of chemical admixtures and mineral admixtures in cernent concrete. (lS Marks) Write short notes on: (i) Rice husk ash, (ii) Air entering agents (tS Marks)
List the factors influencing strength of concrete.
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(06 Marks)
What is the relation between: i) Compressive strength and tensile strength of concrete as per IS456-2000 ii) Cube strength and cylindrical strength of concrete. {04 Marks) Explain in brief the principles of flexural/modulus of rupture testing of concrete under thirdpoint loading rnethod. (10 Marks)
b.
Mention the different modulii of elasticity of concrete. What are the factors affecting shrinkage and creep of concrete? Write short notes on: i) plastic shrinkage ii) drying shrinkage
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(10 Marks)
PART _ B
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workability.
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methods of measurement of List the various stages/process of production of quaiity concrete. Explain in
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Define the term "Workability." List the factors affecting workability of concrete
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Explain the role/effect of fine and coarse aggregates in concrete. Write a note on "mechanical properties" of coarse aggregates. Explain detennination of aggregate impact value as per 152386 part IV - 1903.
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Note: l. Answer FIItE full qwestions, selecting at least TWO questions f,rom ewch part. 2. Use of IS 10262-2009 is permiwed..
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Define the term durability. What is its significance and its impact on V//C Write shoft notes on: i) Sulphate attack and its control ii) Freezing and thawing and its remedial measures
ratio? (ls Marks) (18 Marks)
Discuss the steps involved in Indian standard method of concrete mix design GS 102621 982). (12 Marks) List out the variables in proportioning of concrete mix design. (0E Marks)
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ii) Cube strength and cylindrical strength of concrete. ... i) Sulphate attack and its control ... Displaying Concrete Technology Jan 2016 (2010 Scheme).pdf.
i'i i t'r: i ii*rti.: ?:': i.,rffiff$.q#ffifl1ffih .lffi {ffi:irt-,?jrs{6! 6a. (06 Marks). b. Explain the mechanism of shear failure in PSC beams. A pre-stressed T-section has a flange width of 300 mm and the thickness of the flange is. 200 mm. The r
Expiain static and dynamic characteristics of sensors. Explain workirlg principle of Hall effect sensor. Deftne following terms: i) Hysteresis error. ii) Repeatability.
tFa"* o3 {1,&' - (O8Marks). ir"i b. Explain shift reduce parsing with an example. (08 Marks). ⬠c. Define the following terms: i) yytext, ii) yylval, iii) yylex, iv) yyparse.
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iv) Analyzer used in experimental modal analysis. (08 Marks). Explain briefly dlmamic testing of machines. (04 Marks). Describe the three types of maintenance ...
Following data fer. a. Draw the ... by simplex / Big-M method? If yes, ... You are given the following data regarding the processing times of some jobs on three.
Starting from the current head position, what is theWll distance traveled (in cy.lrndgf$).rb1,,:;i_r.; ... Displaying Operating Systems Jan 2016 (2010 Scheme).pdf.
suitable site for airport in view of criteria. (10 Marks). optimum airport capacity. ... by adopting holding apron near exit taxiway draw a neat sketch and explain.
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Z b. Explain the working of single phase semiconvert with neai circuit and waveforms. Derive ... Effiin the working of transistorized current source inverter.
Explain Network Nodes in CDMA 2000 wireless system, with neat diagram. (12 Marks). 7. 'r.l'8 Draw and describe Frame strucfure for general and management ...
cylinder using a 412 solonoid acfuated spring retum cylinder. ^&-, (10 Marks). b. Explain the cylinder pneumatic circuit and its motion control diagraqffi (10 Marks).
Explain with neat sketch, the classification of gear trains. (06 Marks). b. The Fig.Q7(b) shows an epicyclic gear train where the arm 'A', the driver and annular ...
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r: Fig.Ql(c). 2a. b. L. Define : i) Foisson's ratio i0 Modular ratio. Establish relationship between Young's modulus and rigidity modulus. 3a. b. For the stepped bar ...
