Concrete Technology 4th Sem Civil/0512/Nov 2018 Paper

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Concrete Technology CT 4th Sem Exam/Civil/0512/Nov 2018

                                   SECTION-A

  • Q1. Do as directed.                                                             15×1=15

  1. Cement isusedas key       in cementconcrete.

  2. Admixtures incerases the durability ofconcrete.

  3. Cement is always batchedby weight

  4. The weight of one bag of cementis 50kg .

  5. Initial setting time of OPCis 30 minute

  6. Slump test is used to determineworkability.(T/F) (True)

  7. Concrete is strong in compression.(T/F)                                (T)

  8. If the mix is dry, slump is zero.(T/F) (False)

  9. Grades lower than m20 should not be used in RCC works.(T/F)    (False)

  10. Increase in water content decreases workability.(T/F)   False                            

                      SECTION-B

Q2. Attempt any five questions.                                                 5×6=30

  1. Write the advantages and disadvantages of concrete.

  2. Define admixtures. Explain importance of admixtures.

  3. What are the various properties of OPC ?

  4. What is the difference between segregation and bleeding ?

  5. What is curing of concrete and explain its methods.

  6. Write short note on nondestructive testing

  7. What do you mean by batching? Explain volume batching?

                       SECTION-C

Q3. Attempt any three questions.                                                            3×10=30

  1. Define workability and explain compaction factor test in detail to determine workability.

  2. Explain properties of concrete in hardened state.

  3. Give the requirement of a warehouse for the storage of concrete. What precaution will be taken while storing cement in warehouse?

  4. Explain hot weather concreting in detail.

Concrete Technology CT 4th Sem Exam/Civil/0512/Nov 2018

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Section a:-Concrete Technology CT 4th Sem Exam/Civil/0512/Nov 2018

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Section B : Concrete Technology CT 4th Sem Exam/Civil/0512/Nov 2018

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Poor Power Factor

Advantages of Electrical Energy

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Concrete Technology CT 4th Sem Exam/Civil/0512/Nov 2018

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Section c Concrete Technology CT 4th Sem Exam/Civil/0512/Nov 2018

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