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) (i) and (ii) only (iii) (ii) and (iii) All (i), (ii) and (iii) (i) and (ii) only (iii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always tensile or compressive tensile compressive zero tensile or compressive tensile compressive zero ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Bulking of sand is maximum if moisture content is about 6% 7% 4% 5% 6% 7% 4% 5% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is 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 All of these To resist tensile stresses ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is increased by 10% for bars in compression decreased by 25% for bars in compression increased by 25% for bars in compression decreased by 10% for bars in compression increased by 10% for bars in compression decreased by 25% for bars in compression increased by 25% for bars in compression decreased by 10% for bars in compression ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover to the ties or spirals should not be less than 15 mm 25 mm 20 mm 50mm 15 mm 25 mm 20 mm 50mm ANSWER DOWNLOAD EXAMIANS APP