Concrete Technology and Design of Concrete Structures Multiple Choice Questions

Concrete Technology and Design of Concrete Structures

Question 1.

In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively

A.

 compressive and tensile

B.

 tensile and compressive

C.

 both compressive

D.

 both tensile

Explanation :

Explanation Not Provided

Question 2.

Critical section for shear in case of flat slabs is at a distance of

A.

 effective depth of slab from periphery of column/drop panel

B.

 d/2 from periphery of column/capital/ drop panel

C.

 at the drop panel of slab

D.

 at the periphery of column

Explanation :

Explanation Not Provided

Question 3.

If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section

A.

 depends on as, only

B.

 depends on aCbC only

C.

 depends on both crst and acbc

D.

 is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression.

Explanation :

Explanation Not Provided

Question 4.

The diameter of ties in a column should be

A.

 More than or equal to one fourth of diameter of main bar

B.

 More than or equal to 5 mm

C.

 More than 5 mm but less than one-fourth of diameter of main bar

D.

 More than 5 mm and also more than one-fourth of diameter of main bar

Explanation :

Explanation Not Provided

Question 5.

Bulking of sand is maximum if moisture content is about

A.

 2 %

B.

 4 %

C.

 6 %

D.

 10 %

Explanation :

Explanation Not Provided