MCQs of Building Layout and Design (Design of Reinforced Concrete structures - 3160612)

Design of Reinforced Concrete structures (3160612) MCQs

MCQs of Building Layout and Design

Showing 41 to 50 out of 106 Questions

41.

A R.C beam of size 200mm X 300mm effective depth is subjected to working moment of 30kN-m. For M15 and Fe415 grade of materials, it is to be designed as

(a)	Singly reinforced beam
(b)	Doubly reinforced beam
(c)	Over-reinforced section
(d)	Balanced section

42.

A rectangular section 300mmX700mm overall dimension. 30mm effective cover to compression and tension steel, is reinforced with 2 bars of 20mm and 4 bars of 20mm diameter respectively. Grade Fe415 and M25. Then the depth of neutral axis will be

(a)	83 mm
(b)	74 mm
(c)	93 mm
(d)	105 mm

43.

Deflection can be controlled by using appropriate

(a)	Aspect ratio
(b)	Modular ratio
(c)	Span to depth ratio
(d)	water to cement ratio

44.

Deflection of beam is usually limited to

(a)	Span/350
(b)	20 mm
(c)	Smaller of (A) and (B)
(d)	Larger of (A) and (B)

45.

The development length of reinforcement depends

(a)	Strength of concrete
(b)	Diameter of bar
(c)	Yield stress of steel
(d)	All of above

46.

As per IS-456, Development length of Bar is expressed as

(a)	$L d = \frac{φ σ_{s}}{4 ζ_{b d}}$
(b)	$L d = \frac{φ σ_{s}}{8 ζ_{b d}}$
(c)	$L d = \frac{φ σ_{s}}{8 ζ_{b d}}$
(d)	$L d = \frac{4 φ σ_{s}}{ζ_{b d}}$

47.

In rectangular R.C beam maximum shear stress occurs at

(a)	Top of beam
(b)	Bottom of beam
(c)	At Neutral axis
(d)	None of above

48.

Diagonal compression failure occurs when

(a)	$ζ_{v} > ζ_{c}$
(b)	$ζ_{v} > ζ_{c m a x}$
(c)	$ζ_{v} < ζ_{c}$
(d)	$ζ_{v} > ζ_{c m a x}$

49.

Failure of R.C.C beam due to shear can only occur on account of

(a)	Failure of R.C.C beam due to shear can only occur on account of
(b)	Diagonal tension
(c)	Web compression
(d)	None of above

50.

If nominal shear stress $ζ_{c}$ at section does not exceed permissible shear stress $ζ v$

(a)	Minimum shear reinforcement is still provided
(b)	Shear reinforcement is provided to resist nominal shear stress
(c)	No shear reinforcement is provided
(d)	Shear reinforcement is provided for different of two

Showing 41 to 50 out of 106 Questions