Concrete Technology and Design of Concrete Structures Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa 42 MPa and 35 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa 42 MPa and 35 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided oni) bottom face near counterfortii) top face near counterfortiii) bottom face near centre of spaniv) top face near centre of span The correct answer is only (i) only (ii) both (i) and (iv) both (ii) and (iii) only (i) only (ii) both (i) and (iv) both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is All of these To resist tensile stresses To impart initial compressive stress in concrete To provide adequate bond stress All of these To resist tensile stresses To impart initial compressive stress in concrete To provide adequate bond stress ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 25 to 50% more 15 to 20% more 20 to 25% more 10 to 15% more 25 to 50% more 15 to 20% more 20 to 25% more 10 to 15% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is Not needed Provided more on inner face than on front face Provided equally on inner and front faces Provided more on front face than on inner face Not needed Provided more on inner face than on front face Provided equally on inner and front faces Provided more on front face than on inner face ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with decrease in curing time increase in water-cement ratio increase in fineness of cement decrease in size of aggregate decrease in curing time increase in water-cement ratio increase in fineness of cement decrease in size of aggregate ANSWER DOWNLOAD EXAMIANS APP
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