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 53 MPa and 42 MPa 42 MPa and 35 MPa 35 MPa and 42 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa 42 MPa and 35 MPa 35 MPa and 42 MPa 42 MPa and 53 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The factor of safety for steel is lower than that for concrete steel is higher than that for concrete steel and concrete are same None of these steel is lower than that for concrete steel is higher than that for concrete steel and concrete are same None of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with decrease in size of aggregate increase in water-cement ratio increase in fineness of cement decrease in curing time decrease in size of aggregate increase in water-cement ratio increase in fineness of cement decrease in curing time ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete isi) to increase shrinkageii) to decrease shrinkageiii) to increase setting timeiv) to decrease setting timeThe correct answer is (i) and (iii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i)and(iv) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Modulus of elasticity of steel as per IS : 456-1978 shall be taken as 200 kN/cm² 2xl06N/cm² 20 kN/cm² 200kN/mm² 200 kN/cm² 2xl06N/cm² 20 kN/cm² 200kN/mm² ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For the design of retaining walls, the minimum factor of safety against overturning is taken as 1.5 3 2.5 2 1.5 3 2.5 2 ANSWER DOWNLOAD EXAMIANS APP
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