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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

The Data bus in 8085 is ______ bit

8 Bit

A Maximum memory that can be connected to 8085 microprocessor is  ____

64KB

Program Counter (PC) in 8085 is used to point to the address of instruction to be _____

Fetched

EPROM Stands for ____________

Erasable Program Read Only Memory. 

A 8085 has ___________ addressing  mode

Four 

DAA stands for _________________ 

Decimal Adjust Accumulator

____________ is the highest priority Interrupt.

TRAP

DMA means  ______________

Direct Memory Access.

________ instruction is used to output data from SOD Line.

SIM instruction 

BSR stands for ____________

Bit Set Reset Mode.

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

Short Note on the special purpose registers of 8085 ?

Special purpose registers of 8085 Click Here.

Explain the function of assembler, compiler and Interpreter. Describe instruction cycle, machine cycle and fetch Cycle What is the basic difference between programmed data transfer and DMA scheme ? Describe the flags of 8085 ?

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Explain how address and data lines are de-multiplexed in 8085 ?

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Differentiate between memory mapped I/O and I/O mapped I/O ?

Poor Power Factor

Six important Advantages of Electrical Energy ?

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

Explain various addressing modes of 8085 ? Explain various hardware interrupts of 8085 ? What is DMA data transfer scheme? Explain in details ?

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Draw and explain block diagram of 8255 ? Draw the Internal Architecture of 8085 and Explain Various Functional Blocks ?

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