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 abov

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 abov
by

1 Answer

Answer :

Answer: Option D
by

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A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm2 steel. If the modular ratio (m) is 15, the depth of the neutral axis, is (A) 20 cm (B) 25 cm (C) 30 cm (D) 35 cm

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Last Answer : Answer: Option C

The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm2 and 250 kg/cm2 respectively. If m = 15, the depth of its neutral axis is (A) 20 cm (B) 25 cm (C) 30 cm (D) 35 cm

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In a singly reinforced beam (A) Compression is borne entirely by concrete (B) Steel possesses initial stresses when embedded in concrete (C) Plane sections transverse to the centre line of the beam before bending remain plane after bending (D) Elastic moduli for concrete and steel have different values within the limits of deformation of the beam

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Higher workability of concrete is required if the structure is (A) Made with cement concrete (B) Thick and reinforced (C) Thin and heavily reinforced (D) Thick and heavily reinforced

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Last Answer : Answer: Option D

Minimum grade of concrete to be used in reinforced concrete as per IS: 4561978 is (A) M 15 (B) M 20 (C) M 10 (D) M 25

Description : Minimum grade of concrete to be used in reinforced concrete as per IS: 4561978 is (A) M 15 (B) M 20 (C) M 10 (D) M 25

Last Answer : Answer: Option A

If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be (A) 0.35 d (B) 0.40 d (C) 0.45 d (D) Dependent on grade of concrete also

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Last Answer : Answer: Option B

In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively (A) Compressive and tensile (B) Tensile and compressive (C) Both compressive (D) Both tensile

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Last Answer : Answer: Option D

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Last Answer : Answer: Option D