Q. Aggregates with a specific gravity of _________ are called lightweight aggregates.

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Q. Light weight cement content for compressive strength 2500 psi is _______ pounds per cubic yard.

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Q. Light weight cement content for compressive strength 4000 psi is _______ pounds per cubic yard.

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Q. Light weight cement content for compressive strength 5000 psi is _______ pounds per cubic yard.

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Q. Light weight cement content for compressive strength 6000 psi is _______ pounds per cubic yard.

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Q. Light weight cement content for compressive strength 17.24 MPa is _______ kg/m³.

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Q. Light weight cement content for compressive strength 20.68 MPa is _______ kg/m³.

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Q. Light weight cement content for compressive strength 27.58 MPa is _______ kg/m³.

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Q. Light weight cement content for compressive strength 34.47 Mpa is _______ kg/m³.

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Q. Light weight cement content for compressive strength 41.37 MPa is _______ kg/m³.

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Q. What is the amount of mixing water used to make LWC?

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Q. What is the normal time to get uniform mixing?

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Q. The strength of the resulting concrete is _______ % lower than when dry aggregate is used for the same content.

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Q. The density of concrete made with saturated aggregate is ___________

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Q. The light-weight concrete is prepared by ________

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Q. Aerated Concrete is _________

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Q. Air contents should be _________ % by volume.

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Q. Which one is not used as air entraining agents?

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Q. Entrainment of air while applying cement, increases resistance to frost action.

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Q. Aerated concrete is made in the density of approx. _________ kg/m³.

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