Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases the effects of temperature variations the unit weight workability strength the effects of temperature variations the unit weight workability strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Examine the following statements :i) Factor of safety for steel should be based on its yield stress,ii) Factor of safety for steel should be based on its ultimate stress,iii) Factor of safety for concrete should be based on its yield stress,iv) Factor of safety for concrete should be based on its ultimate stress.The correct statements are (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than 45mm 50 mm 40 mm 60 mm 45mm 50 mm 40 mm 60 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The load factors for live load and dead load are taken respectively as 1.5 and 1.5 2.2 and 2.2 1.5 and 2.2 2.2 and 1.5 1.5 and 1.5 2.2 and 2.2 1.5 and 2.2 2.2 and 1.5 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse) 0.416 xu 0.367 xu 0.446 xu 0.573 xu 0.416 xu 0.367 xu 0.446 xu 0.573 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 20% 5% 15% 10 % 20% 5% 15% 10 % ANSWER DOWNLOAD EXAMIANS APP
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