Civil Engineering MCQ's

28. In case of three pinned parabolic arch carrying a uniformly distrubuted load on the entire span then bending moment will be
A. Equal to that of simply supported beam loaded in the same manner
B. Maximum at quarter span
C. Zero only at the centre
D. Zero throughout the span

27. The tension reinforcement in a RCC beam can be cut off at a point when it is no longer needed if
A. Enough bond length is available
B. The shear at the cutoff point does not exceed two thirds of permissible at that section
C. Bending moment is zero
D. All of the above

26. Stress may be defined as
A. Force per unit length
B. Force per unit volume
C. Force per unit area
D. None of these

25. At the neutral axis of a beam, the shear stress is
A. Zero
B. Minimum
C. Maximum
D. Infinity

24. The maximum bending moment for a simply suported beam with a uniformly distributed load w per unit length is
A. Wl/2
B. Wl^2/4
C. Wl^2/8
D. Wl^2/12

23. In the limit state method, the partial safety factor for concrete is taken as
A. 3
B. 2
C. 1
D. 1.5

22. The shape of the bending moment over the length of abeam having no external load, is always
A. Linear
B. Parabolic
C. Circular
D. Cubical

21. The acceptable limit for the safety and serviceability required before failure is
A. Ultimate limit
B. Limit state of collapse
C. Limit state of serviceability
D. Limit state

20. The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate span is kept
A. 6
B. 7
C. 8
D. 9

19. When a column is subjected to an eccentric load, the stress induced in the column will be
A. Direct stress only
B. Bending stress only
C. Shear stress only
D. Direct and bending stress both

18. In case of lying gullies, siphons, intercepting traps, the cost includes
A. Settings and lying
B. Bed concreting
C. Connection of drains
D. All of the above

17. The main objective of writing letters or alphabets on the drawing is to make the drawing
A. More fantastic
B. More informative
C. More expensive
D. All of the above