MCQ
303. The ratio of liner stress to liner strain in called
modulus of elasticity
poison's ratio
modulus of rigidity
bulk modulus
304. The point where curve ends is known as
point of tangent
vertex
point of curve
summit
305. 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
306. One cubic meter of water weights-
100 litter
250 litter
500 litter
1000 litter
307. Lap length in compression shall not be les than
15 D
20 D
24D
30 D
308. One metric ton cement contains is-
20 bags
30 bags
500 bags
250 bags
309. The neutral axis of a beam is subjected to- stress.
zero
maximum compressive
tensile
minimum tensile
311. 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%
312. A column that fails due to direct stress is called-
a. medium column
long column
short column
weak column
313. A beam fixed at one end and free at the other end-
cantilever
truss
false beam
none of these
314. Moment of inertia of a circular section is-
π d³ /38
πα³/64
πd²/77
πd²/128
ব্যাখ্যা:
316. The maximum water cement ratio for durable concrete is-
0.2
0.4
0.8
2.8
317. The force resisting motion-
obstruction
friction
repulsion
none of these
318. Hard water means-
distilled water
chlorine& carbonate
dust particles
calcium & magnesium
319. At the neutral axis of beam the shear stress is-
maximum
zero
minimum
infinity
320. The setting time of the cement is the governing factor for-
mixing of concrete
placing of concrete
compaction of concrete
all of these