Design of Reinforced Concrete structures (3160612) MCQs

MCQs of Building Layout and Design

Showing 51 to 60 out of 106 Questions
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51.

The permissible shear stress in concrete for beam without shear reinforcement depends upon

(a)

Percentage of tension reinforcement
(b)

Grade of concrete
(c)

Both (A) and (B)
(d)

None of above
Answer:

Option (c)

52.

An RCC beam of 200mm X 300mm effective is subjected to factored shear force 30 kN. The maximum nominal shear stress is

(a)

0.5 Nmm2
(b)

0.6 Nmm2
(c)

0.7 Nmm2
(d)

0.8 Nmm2
Answer:

Option (a)

53.

The percentage of minimum shear reinforcement as per IS-456 for mild steel reinforcement is

(a)

0.12%
(b)

0.15%
(c)

0.183%
(d)

0.3%
Answer:

Option (c)

54.

The calculated spacing of stirrups in beam as per IS-456 is

(a)

less than 0.75d
(b)

less than 300mm
(c)

Asv fy0.4b
(d)

All of above
Answer:

Option (d)

55.

How shear strength is to be ensured in a beam?

(a)

By providing binding wire
(b)

By providing longitudinal steel
(c)

By providing rounded aggregate
(d)

By providing stirrups
Answer:

Option (d)

56.

Diagonal tension reinforcement is provided in a beam as

(a)

Longitudinal bar
(b)

Bent up bars
(c)

Helical reinforcement
(d)

90 degree bent at bends of main bars
Answer:

Option (b)

57.

Shear reinforcement in RC beam shall be provide in form of

(a)

Vertical stirrups
(b)

Inclined stirrups
(c)

Bent up bars
(d)

All of above
Answer:

Option (d)

58.

Shear force resisted by stirrups can be calculated as

(a)

Vus= Vu- ζcbd
(b)

Vus= Vu+ ζcbd
(c)

Vus= (Vu+ ζc)bd
(d)

Vus= ζcbd
Answer:

Option (a)

59.

An R.C.C. beam without shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at

(a)

25 degree
(b)

35 degree
(c)

45 degree
(d)

55 degree
Answer:

Option (c)

60.

Spacing of stirrups in a rectangular beam, is

(a)

Kept constant throughout the length
(b)

Decreased towards the center of the beam
(c)

Increased at the ends
(d)

Increased at the center of the beam
Answer:

Option (d)

Showing 51 to 60 out of 106 Questions
3 4 5 6 7 8