Concrete Technology and Design of Concrete Structures The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel) 0.87 fy 0.57 fy 0.37 fy 0.67 fy 0.87 fy 0.57 fy 0.37 fy 0.67 fy ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Lee-Macall system Freyssinet system Magnel-Blaton system Long line method Lee-Macall system Freyssinet system Magnel-Blaton system Long line method ANSWER DOWNLOAD EXAMIANS APP
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 The average permissible stress in bond for plain bars in tension is decreased by 25% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression decreased by 10% for bars in compression decreased by 25% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression decreased by 10% for bars in compression 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 (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The permissible diagonal tensile stress in reinforced brick work is about 0.1 N/mm² zero 0.3 N/mm² to 0.7 N/mm² about 1.0 N/mm² about 0.1 N/mm² zero 0.3 N/mm² to 0.7 N/mm² about 1.0 N/mm² ANSWER DOWNLOAD EXAMIANS APP