MCQ
1. One cubic meter of water weights-
100 litter
250 litter
500 litter
1000 litter
2. At the neutral axis of beam the shear stress is-
maximum
zero
minimum
infinity
3. Lap length in compression shall not be les than
15 D
20 D
24D
30 D
5. The ratio of liner stress to liner strain in called
modulus of elasticity
poison's ratio
modulus of rigidity
bulk modulus
6. A beam fixed at one end and free at the other end-
cantilever
truss
false beam
none of these
7. The setting time of the cement is the governing factor for-
mixing of concrete
placing of concrete
compaction of concrete
all of these
8. One metric ton cement contains is-
20 bags
30 bags
500 bags
250 bags
9. A column that fails due to direct stress is called-
a. medium column
long column
short column
weak column
12. . If 16 inch = 1 mile then RF will be
1/3960
1/1320
1/3690
1/2960
13. Hard water means-
distilled water
chlorine& carbonate
dust particles
calcium & magnesium
14. Moment of inertia of a circular section is-
π d³ /38
πα³/64
πd²/77
πd²/128
ব্যাখ্যা:
15. The force resisting motion-
obstruction
friction
repulsion
none of these
16. The neutral axis of a beam is subjected to- stress.
zero
maximum compressive
tensile
minimum tensile
17. The point where curve ends is known as
point of tangent
vertex
point of curve
summit
18. A continuous beam is one which is-
fixed at both end
fixed at one end free at other end
supported on more than two support
extending beyond the support
20. A good building stone is one which does not absorb more than of it's weights of water after one day immersion.
5%
10%
15%
25%