Concrete Technology and Design of Concrete Structures Strength of concrete increases with increase in water-cement ratio increase in fineness of cement decrease in curing time decrease in size of aggregate increase in water-cement ratio increase in fineness of cement decrease in curing time decrease in size of aggregate ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be 0.85 - 0.92 Above 0.92 0.75 - 0.80 0.75 - 0.80 0.85 - 0.92 Above 0.92 0.75 - 0.80 0.75 - 0.80 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The approximate value of the ratio between direct tensile strength and flexural strength is 1 0.33 0.5 0.75 1 0.33 0.5 0.75 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Freyssinet system Long line method Magnel-Blaton system Lee-Macall system Freyssinet system Long line method Magnel-Blaton system Lee-Macall system 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 0.446 xu 0.367 xu 0.573 xu 0.416 xu 0.446 xu 0.367 xu 0.573 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following has high tensile strength ? all have same tensile strength plain hot rolled wires cold drawn wires heat treated rolled wires all have same tensile strength plain hot rolled wires cold drawn wires heat treated rolled wires ANSWER DOWNLOAD EXAMIANS APP
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