| 1. | When the lever arm of a reinforced concrete bream is z and width of beam is b, then the maximum shear stress in a beam subjected to shear force F will be equal to ? | |
|
Fb/z
|
||
|
F/bz
|
||
|
Fz/b
|
||
|
Fzb
|
||
View Answer
Discuss in Forum
Report Question| 2. | For a slab spanning in two directions, the ratio of span to the depth of slab should not exceed ? | |
|
10
|
||
|
20
|
||
|
35
|
||
|
50
|
||
| 3. | The ultimate strength of the steel used for pre-stressing is nearly ? | |
|
250 N/mm²
|
||
|
415 N/mm²
|
||
|
500 N/mm²
|
||
|
1500 N/mm²
|
||
| 4. | In a slab, the transverse reinforcement is provided at .............. to the span of the slab ? | |
|
45?
|
||
|
60?
|
||
|
75?
|
||
|
90?
|
||
| 5. | A panel of a flat slab is ? | |
|
that part of a slab around the column which is of greater thickness than the rest of the slab
|
||
|
that part of column which has increased diameter
|
||
|
the area enclosed between the centre lines connecting adjacent columns in and the outline of the column heads
|
||
|
none of the above
|
||
| 6. | A long column is one whose ratio of effective length to its least lateral dimension exceeds ? | |
|
5
|
||
|
10
|
||
|
12
|
||
|
20
|
||
| 7. | The analysis of slab spanning in one directions is done by assuming it to be a beam of ? | |
|
1 m length
|
||
|
1 m width
|
||
|
1 m² area
|
||
|
none of these
|
||
| 8. | In a reinforced concrete column, the cross-sectional area of steel bar is As, and that of concrete is Ac. The equivalent area of the section in terms of concrete is equal to ? | |
|
Ac + mAc
|
||
|
Ac + mAs
|
||
|
As - mAc
|
||
|
Ac - mAs
|
||
| 9. | The effective depth of a singly reinforced rectangular beam is 300 mm. The section is over reinforced and the neutral axis is 120 mm below the top. If the maximum stress attained by concrete is 5 N/mm² and the modular ratio is 18, then the stress developed in the steel will be ? | |
|
130 N/mm²
|
||
|
135 N/mm²
|
||
|
160 N/mm²
|
||
|
180 N/mm²
|
||
| 10. | For M 15 concrete, the unit punching shear strength of concrete is taken as ? | |
|
1 N/mm²
|
||
|
2 N/mm²
|
||
|
3 N/mm
|
||
|
4 N/mm²
|
||