Civil Engineering MCQs

Page No. 117

When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would_______________?


achange from compression to tension


bchange from tension to compression


calways be compression


d always be tension



Sinking of an intermediate support of a continuous beam________________?


a reduces the negative moment at support


bincreases the negative moment at support


c increases the positive moment at the centre of span


dOnly A and C


View Answer Only A and C

Select the correct statement?


a5 day BOD is the ultimate BOD


b 5 day BOD is greater than 4 day BOD keeping other conditions same


c 5 day BOD is less than 4 day BOD keeping other conditions same


dBOD does nof depend on time



For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is__________________?


a0.211 L


b 0.25 L


c 0.234 L


d 0.5 L


View Answer 0.211 L

A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre ?


a 5 mm


b0.5 mm


c0.05 mm


d0.005mm


View Answer 5 mm

The fixed support in a real beam becomes in the conjugate beam a___________________?


aroller support


b hinged support


cfixed support


dfree end


View Answer free end

Which of the following methods of structural analysis is a displacement method ?


amoment distribution method


bcolumn analogy method


cthree moment equation


dnone of the above



Effects of shear force and axial force on plastic moment capacity of a structure are respectively to_________________?


a increase and decrease


b increase and increase


cdecrease and increase


ddecrease and decrease


View Answer decrease and decrease

If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is_______________?


aunstable


bstable and statically determinate


c stable and statically indeterminate


dnone of the above


View Answer unstable

Which of the following is not the displacement method ?


a Equilibrium method


bColumn analogy method


cMoment distribution method


dKani’s method


View Answer Column analogy method

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