Concrete Technology and Design of Concrete Structures Finer grinding of cement affects only the ultimate strength both (a) and (b) affects only the early development of strength does not affect the strength affects only the ultimate strength both (a) and (b) affects only the early development of strength does not affect the strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The factor of safety for steel is lower than that for concrete steel and concrete are same steel is higher than that for concrete None of these steel is lower than that for concrete steel and concrete are same steel is higher than that for concrete None of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In prestressed concrete 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 remain unchanged both forces of tension and compres-sion as well as lever arm change forces of tension and compression change but lever arm remains 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 remain unchanged both forces of tension and compres-sion as well as lever arm change forces of tension and compression change but lever arm remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ± 10% of average ± 15% of average ±20% of average ±5% of average ± 10% of average ± 15% of average ±20% of average ±5% of average 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 increased by 25% for bars in compression decreased by 25% for bars in compression decreased by 10% for bars in compression increased by 10% for bars in compression increased by 25% for bars in compression decreased by 25% for bars in compression decreased by 10% for bars in compression ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Maximum distance between expansion joints in structures as per IS : 456 – 1978 is 60 m 30 m 20 m 45 m 60 m 30 m 20 m 45 m ANSWER DOWNLOAD EXAMIANS APP