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.Management Sciences
Category: RCC Structures Design
Though the effective depth of a T-beam is the distance between the top compression edge to the centre of the tensile reinforcement, for heavy loads, it is taken as__________________?
A. 1/8th of the span
B. 1/10th of the span
C. 1/12th of the span
D. 1/16th of the span
Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam_______________?
A. Are curtailed if not required to resist the bending moment
B. Are bent up at suitable places to serve as shear reinforcement
C. Are bent down at suitable places to serve as shear reinforcement
D. Are maintained at bottom to provide at least local bond stress
If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is________________?
A. 0.3 H
B. 0.4 H
C. 0.5 H
D. 0.7 H
If P kg/m2 is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by________________?
A. D = 0.00775 aP
B. D = 0.0775 aP
C. D = 0.07775 aP
D. D = 0.775 Pa
The transverse reinforcements provided at right angles to the main reinforcement_______________?
A. Distribute the load
B. Resist the temperature stresses
C. Resist the shrinkage stress
D. All the above
If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight w per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is )/(1 + sin )]_________________?
A. h = (W/Aw) [(1 –
B. h = (W/Aw) [(1 + )/(1 + sin )]
C. h = (W/Aw) [(1 – )/(1 + sin )]²
D. h W/Aw) [(1 – )/(1 + sin )]²
The maximum shear stress (qmax) in a rectangular beam is_______________?
A. 1.25 times the average
B. 1.50 times the average
C. 1.75 times the average
D. 2.0 times the average
The width of the rib of a T-beam, is generally kept between_______________?
A. 1/7 to 1/3 of rib depth
B. 1/3 to 1/2 of rib depth
C. 1/2 to 3/4 of rib depth
D. 1/3 to 2/3 of rib depth
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