Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is 10% 20% 15% 5% 10% 20% 15% 5% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? elastic shortening of concrete loss due to friction shrinkage of concrete creep of concrete elastic shortening of concrete loss due to friction shrinkage of concrete creep of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is All of these To impart initial compressive stress in concrete To resist tensile stresses To provide adequate bond stress All of these To impart initial compressive stress in concrete To resist tensile stresses To provide adequate bond stress ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is M25 M20 M10 M15 M25 M20 M10 M15 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures To determine the modulus of rupture, the size of test specimen used is 100 x100 x700 mm 100 x100 x500 mm 150 x150 x700 mm 150 x150 x500 mm 100 x100 x700 mm 100 x100 x500 mm 150 x150 x700 mm 150 x150 x500 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is (i) and (iii) (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i)and(iv) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
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