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.Management Sciences
Category: RCC Structures Design
If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is________________?
0
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 the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment____________________?
A. WL/2
B. WL/4
C. WL/6
D. WL/8
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
The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or____________________?
A. 12 bar diameters
B. 18 bar diameters
C. 24 bar diameters
D. 30 bar diameters
If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is_______________?
A. D = 0.0775 a
B. D = 0.775 a
C. D = 0.775 a
D. D = 0.775 a2
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