Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ±5% of average ± 10% of average ± 15% of average ±20% of average ±5% of average ± 10% of average ± 15% of average ±20% of average ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stress The correct answer is All (i), (ii) and (iii) only (iii) (i) and (ii) (ii) and (iii) All (i), (ii) and (iii) only (iii) (i) and (ii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures High carbon content in the steel causes increase in both tensile strength and ductility decrease in tensile strength but increase in ductility decrease in both tensile strength and ductility increase in tensile strength but decrease in ductility increase in both tensile strength and ductility decrease in tensile strength but increase in ductility decrease in both tensile strength and ductility increase in tensile strength but decrease in ductility ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 15% 20% 10 % 5% 15% 20% 10 % 5% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is 30 liters 28 liters 32 liters 34 liters 30 liters 28 liters 32 liters 34 liters ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover in a slab should neither be less than the diameter of bar nor less than 20 mm 10 mm 15 mm 30 mm 20 mm 10 mm 15 mm 30 mm ANSWER DOWNLOAD EXAMIANS APP
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