Download Previous year Diploma Paper of Concrete Technology CT 4th Sem Civil/0512/Dec 2017 Paper
Concrete Technology CT 4th Sem Civil/0512/Dec 2017 Paper
Concrete Technology CT 4th Sem Civil/0512/Dec 2017 Paper
                        SECTION-A
Q1. Do as directed.                                                           15×1=15
Strength of concrete increases   with time.
Concrete hard on Drying.
Concrete pavements are known as Ridge Pavement.  .
Admixtures increases workability.
For determining compressive strength of cement, standard sand is used.
Vicat’s Apparatus is used for determining initial and final setting time of cement.
The weight of one bag of cement is 50 KgÂ
Ready mix concrete is also called site mixed concrete
Chemical reaction between cement & water is called hydration.
Finerthe cement, more is the hydration.
b) State true or false.
Accelerators are used during hot weather concreting. T/F (False)
Curing reduces the shrinkage of concrete. T/F (True)
Height of one bag of cement is 18 cm.T/F (False)
Water cement ratio in hot weather concrete will decrease. T/F (False)
Ware house is used to store concrete.T/F (False)
       SECTION-B
Q2. Attempt any five questions.                                  5×6=30
What are advantages of concrete as compared to other building materials?
List the properties of concrete in plastic & hardened stage.
Give the functions of C2S & C3A in cement.
Discuss the following terms:-
Sieve analysis
Fineness of modulus
Explain what you mean by workability of concrete.
What is the importance of performing slump test?
What is the effect of low temperature of concrete?
Give uses of fibre reinforced concrete.
   SECTION-C
Q3. Attempt any three questions.                            3×10=30
What is difference between segregation and bleeding? Discuss the factors affecting workability.
What is the importance of batching? What the advantages are of weigh batching over volume batching ?
What are the different tests on hardened concrete ?
What is mix design? What is bulking of aggregate?
Section a FILL IN THE BLANKS cONCRETE TECHNOLOGY dec 2017 paper
Strength of concrete increases with time.
Â
Concrete hard on Drying.
Â
Concrete pavements are known as Ridge Pavement.  .
Admixtures increases workability.
For determining compressive strength of cement, standard sand is used.
Vicat’s Apparatus is used for determining initial and final setting time of cement.
The weight of one bag of cement is 50 KgÂ
Ready mix concrete is also called site mixed concrete
Chemical reaction between cement & water is called hydration.
Finerthe cement, more is the hydration.
b) State true or false.
Accelerators are used during hot weather concreting. T/F (False)
Curing reduces the shrinkage of concrete. T/F (True)
Height of one bag of cement is 18 cm.T/F (False)
Water cement ratio in hot weather concrete will decrease. T/F (False)
Ware house is used to store concrete.T/F (False)
Admixtures increases workability.
Â
For determining compressive strength of cement, standard sand is used.
Vicat’s Apparatus is used for determining initial and final setting time of cement.
Â
The weight of one bag of cement is 50 KgÂ
Ready mix concrete is also called site mixed concrete.
Chemical reaction between cement & water is called hydration.
Finerthe cement, more is the hydration.
Â
b) State true or false.
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Section B : cONCRETE TECHNOLOGY PAPER MAY 2018 PAPER
Advantages of concrete as compared to other building materialsÂ
Â
Properties of concrete in plastic & hardened stage.
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Functions of C2S & C3A in cement.
workability of concrete.
Importance of performing slump test
Effect of low temperature of concrete
Uses of fibre reinforced concrete.
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Concrete Technology Civil 4th Semester PSBTE Diploma Solved Dec 2017 Paper Click Here
Section c solved concrete technology dec 2017 paper
Difference between segregation and bleeding? Discuss the factors affecting workability.
Importance of batchingÂ
Different tests on hardened concreteÂ
Mix design What is bulking of aggregate?