# Which of the following loads should be applied on simply supported beam, so that the shear force is constant throughout its span

1.  U.D.L over the entire span

2.  Two concentrated loads equally spaced in the span.

3.  A central concreted load and a U.D.L over the entire span.

4.  A couple anywhere in the span.

4
Correct Answer :

A couple anywhere in the span.

Explanation :
No Explanation available for this question

# A simply supported rolled steel joist of I-section has flange width 250 mm and overall depth 600 mm. Its moment of inertia IXX= 12×108 mm4. The steel joist is used as a beam over a simply supported span of 6 m. It carries a load of 40kN/m including its self-weight throughout the span. The maximum stress induced in the beam in N/mm2 due to bending would be

1.  30

2.  90

3.  45

4.  60

4
Correct Answer :

45

Explanation :
No Explanation available for this question

# Which of the following terms represents the torque that produces a twist of one radian in a shaft of unit length

1.  Torsional stress

2.  Torsional rigidity

3.  Flexural rigidity

4.  Moment of resistance

4
Correct Answer :

Torsional rigidity

Explanation :
No Explanation available for this question

# A 60 mm dia. Shaft is subjected to a torque of 6kN-m. C = 8×104 N/mm2. The maximum shear stress induced in the shaft in N/mm2 will be

1.  8000/9f

2.  4000/9π

3.  12000/9π

4.  16000/9π

4
Correct Answer :

4000/9π

Explanation :
No Explanation available for this question

# A water main 160 cm dia. contains water at a pressure head of 200 m. Take weight of water to be 1000 kg/m3. The thickness of the metal shell required for the water main, given that the maximum permissible stress in the metal is 400 kg/cm2

1.  1 cm

2.  2 cm

3.  3 cm

4.  4 cm

4
Correct Answer :

4 cm

Explanation :
No Explanation available for this question

# Which one of the following states falls under the ‘Limit state of Serviceability’ as per IS-456

1.  Stability under load

2.  Loss of equilibrium of a structure

3.  Floor vibration

4.  Formation of mechanism

4
Correct Answer :

Floor vibration

Explanation :
No Explanation available for this question

# Splicing of re-bars in RCC beams can be done at a section where

1.  Bending moment is zero

2.  Bending moment is less than half of the maximum bending moment in beam.

3.  Bending moment is maximum.

4.  Shear force is zero

4
Correct Answer :

Bending moment is less than half of the maximum bending moment in beam.

Explanation :
No Explanation available for this question

# Which of the following statements are correct 1. The conventional rigid frame system of columns and beams works well for carrying both vertical and lateral loads for buildings up to 28 stares height. 2. A shear wall does not provide stability against lateral loads. 3. Drying shrinkage is caused by the evaporation of water from concrete stored in unsaturated air.

1.  1, 2 and 3

2.  1 and 2 only

3.  1 and 3 only

4.  2 and 3 only

4
Correct Answer :

1 and 3 only

Explanation :
No Explanation available for this question

# As per IS-456:2000, side face of a pre-stressed beam is provided where depth of the web exceeds

1.  750 mm

2.  250 mm

3.  500 mm

4.  1000 mm

4
Correct Answer :

750 mm

Explanation :
No Explanation available for this question

# Factor of safety is the ratio of

1.  Tensile stress to working stress

2.  Compressive stress to working stress

3.  Bending stress to working stress

4.  Yield stress to working stress

4
Correct Answer :

Yield stress to working stress

Explanation :
No Explanation available for this question

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