Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 15% 5% 20% 10 % 15% 5% 20% 10 % ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover to the ties or spirals should not be less than 25 mm 15 mm 50mm 20 mm 25 mm 15 mm 50mm 20 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is 15% 10% 20% 5% 15% 10% 20% 5% 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 15 mm 10 mm 30 mm 20 mm 15 mm 10 mm 30 mm 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 remain unchanged forces of tension and compressions remain unchanged but lever arm changes with the moment both forces of tension and compres-sion as well as lever arm change forces of tension and compression change but lever arm remains unchanged 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 both forces of tension and compres-sion as well as lever arm change ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The slab is designed as one way if the ratio of long span to short span is less than 1 between 1 and 1.5 between 1.5 and 2 greater than 2 less than 1 between 1 and 1.5 between 1.5 and 2 greater than 2 ANSWER DOWNLOAD EXAMIANS APP
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