# Concrete Technology Questions and Answers – Structural Light Weight Concrete

This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Structural Light Weight Concrete”.

1. Light weight cement content for compressive strength 2500 psi is _______ pounds per cubic yard.
a) 400-510
b) 440-560
c) 530-660
d) 630-750

Explanation: Light weight cement content for compressive strength 2500 psi is 400-510 pounds per cubic yard and 440-560 for compressive strength 3000 psi.

2. Light weight cement content for compressive strength 3000 psi is _______ pounds per cubic yard.
a) 400-510
b) 440-560
c) 530-660
d) 630-750

Explanation: Light weight cement content for compressive strength 3000 psi is 440-560 pounds per cubic yard and 400-510 is for compressive strength 2500 psi.

3. Light weight cement content for compressive strength 4000 psi is _______ pounds per cubic yard.
a) 740-840
b) 440-560
c) 530-660
d) 630-750

Explanation: Light weight cement content for compressive strength 4000 psi is 530-660 pounds per cubic yard and 400-510 is for compressive strength 2500 psi.

4. Light weight cement content for compressive strength 5000 psi is _______ pounds per cubic yard.
a) 400-510
b) 440-560
c) 530-660
d) 630-750

Explanation: Light weight cement content for compressive strength 5000 psi is 630-750 pounds per cubic yard and 400-510 is for compressive strength 2500 psi.

5. Light weight cement content for compressive strength 6000 psi is _______ pounds per cubic yard.
a) 740-840
b) 440-560
c) 530-660
d) 630-750

Explanation: Light weight cement content for compressive strength 6000 psi is 740-840 pounds per cubic yard and 400-510 is for compressive strength 2500 psi.

6. Light weight cement content for compressive strength 17.24 MPa is _______ kg/m3.
a) 237-303
b) 261-332
c) 314-392
d) 373-445

Explanation: Light weight cement content for compressive strength 17.24 MPa is 237-303 kg/m3. 314-392 is the compressive strength of 27.58 MPa.

7. Light weight cement content for compressive strength 20.68 MPa is _______ kg/m3.
a) 237-303
b) 261-332
c) 314-392
d) 373-445

Explanation: Light weight cement content for compressive strength 20.68 MPa is 261-332 kg/m3. 314-392 is the compressive strength of 27.58 MPa.

8. Light weight cement content for compressive strength 27.58 MPa is _______ kg/m3.
a) 237-303
b) 261-332
c) 314-392
d) 373-445

Explanation: Light weight cement content for compressive strength 27.58 MPa is 314-392 kg/m3. 261-332 is the compressive strength of 20.68 MPa.

9. Light weight cement content for compressive strength 34.47MPa is _______ kg/m3.
a) 237-303
b) 261-332
c) 314-392
d) 373-445

Explanation: Light weight cement content for compressive strength 34.47 MPa is 373-445 kg/m3. 314-392 is the compressive strength of 27.58 MPa.

10. Light weight cement content for compressive strength 41.37 MPa is _______ kg/m3.
a) 237-303
b) 261-332
c) 314-392
d) 439 – 498

Explanation: Light weight cement content for compressive strength 41.37 MPa is 439 – 498 kg/m3. 314-392 is the compressive strength of 27.58 MPa.

Sanfoundry Global Education & Learning Series – Concrete Technology.

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