Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To provide adequate bond stress To resist tensile stresses To impart initial compressive stress in concrete All of these To provide adequate bond stress To resist tensile stresses To impart initial compressive stress in concrete All of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures To minimize the effect of differential settlement, the area of a footing should be designed for Live load + fraction of dead load Dead load + live load Dead load only Dead load + fraction of live load Live load + fraction of dead load Dead load + live load Dead load only Dead load + fraction of live load ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Ratio of permissible stress in direct compression and bending compression is between 1.5 and 2.0 less than 1 between 1 and 1.5 greater than 2 between 1.5 and 2.0 less than 1 between 1 and 1.5 greater than 2 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In prestressed concrete forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm change both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compressions remain unchanged but lever arm changes with the moment forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm change both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compressions remain unchanged but lever arm changes with the moment ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Bulking of sand is maximum if moisture content is about 6% 7% 5% 4% 6% 7% 5% 4% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The diameter of ties in a column should be More than or equal to 5 mm More than 5 mm and also more than one-fourth of diameter of main bar More than or equal to one fourth of diameter of main bar More than 5 mm but less than one-fourth of diameter of main bar More than or equal to 5 mm More than 5 mm and also more than one-fourth of diameter of main bar More than or equal to one fourth of diameter of main bar More than 5 mm but less than one-fourth of diameter of main bar ANSWER DOWNLOAD EXAMIANS APP