DM G+1 Exam Preparation Quiz, Questions with Answers

The 6 concrete cubes are casted and are tested after ____ 3 days 7 days 28 days 7 and 28 days 7 and 28 days Adding more water to concrete mix its workability ____ Decrease Remain same Increase No effect Increase Adding more water to concrete mix than its strength ______ Increase Constant No relation Decrease Decrease After 7 days of compressive strength test of cubes what is the minimum value should be accepted A: 40% B: 50% C: 60% D: 65% 65% After how many days can we remove the shuttering of 3.75mx4.75m room slab? A: 14 days B: 7 days C: 28 days D: 10 days 10 days Allowable shear strength of concrete depends upon ____ A: tensile strength B: compressive strength C: shear strength D: none shear strength Amount of steel in flat slab is _____ Kg/m3 80-100 200 120 160-185 160-185 As per DM requirements, the yield strength of deformed bars should be ____ N/mm2 A: 260 B: 370 C: 514 D: 460 460 As per DM rule for beams depth more ___shrinkage bars should be used on each face of beam. A: 600mm B: 800mm C: 760mm D: 700mm 700mm As per DM rules the lap length usually used is _____ for reinforcement. A: 40d B: 60d C: 30d D: 50d 50d As per DM tall buildings are those of minimum ______ meter height measured from ground. A: 50m B: 70m C: 40m D: 60m, 60m The Auger boring method is not suitable for _______ A: very hard soil B: cemented soil C: very soft soil D: All All The average strength of cubes at the end of 28 days should be ____ Greater than fc' by 15% Greater than or equal to fc' Equal to or less than fc' by 15% Greater than fc' by 1.15 times Greater than or equal to fc' The bearing capacity of waterlogged soil can be improved by ____ A: compacting the soil B: depth increase C: grouting D: draining the soil draining the soil The bending moment diagram for a simply supported beam carrying uniformly distributed load of w per unit length will be _____ A: a horizontal line B: vertical line C: inclined line D: parabolic curve parabolic curve