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.Management Sciences
Category: RCC Structures Design
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____________________?
0
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
Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds_____________?
A. 50 cm
B. 75 cm
C. 100 cm
D. 120 cm
As per I.S. 456 – 1978, the pH value of water shall be_______________?
A. Less than 6
B. Equal to 6
C. Not less than 6
D. Equal to 7
In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called________________?
A. Under-reinforced section
B. Over reinforced section
C. Economic section
D. Critical section
As the percentage of steel increases________________?
A. Depth of neutral axis decreases
B. Depth of neutral axis increases
C. Lever arm increases
D. Lever arm decreases
According to the steel beam theory of doubly reinforced beams______________?
A. Tension is resisted by tension steel
B. Compression is resisted by compression steel
C. Stress in tension steel equals the stress in compression steel
D. All the above
The advantage of reinforced concrete, is due to_______________?
A. Monolithic character
B. Fire-resisting and durability
C. Economy because of less maintenance cost
D. All the above
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