Q. If the coefficient of thermal expansion of coarse aggregates and cement paste differs too much, then what happen?

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Q. If the coefficient of the two materials differ by more than 5.4 * 10⁻⁶ per °C, then?

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Q. For majority of aggregates, the coefficient of thermal expansion lies between approximately ____________

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Q. For hydrated Portland cement, the coefficient of thermal expansion lies between approximately ____________

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Q. The linear thermal coefficient of expansion lies between approximately ____________

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Q. The specific heat of the aggregates is _____________

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Q. The thermal conductivity of the aggregates is ______________

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Q. The coefficient of thermal expansion affects the heat resistance.

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Q. In crushing test, dry aggregates passing through ________ mm sieve and retained ________ mm in a cylinder.

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Q. According to IS: 2386 part-IV, each layer is tamped ________ times in crushing test.

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Q. A value less than 10 signifies an exceptionally _________ while above 35 would normally be regarded as _________

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Q. Los Angeles machine consists of circular drum of internal diameter ________ mm and length ________ mm.

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Q. Which machine is preferred for abrasion test?

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Q. A maximum value of _________ percent is allowed for WBM base course in Indian conditions.

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Q. Aggregates to be used for wearing course, the impact value shouldn’t exceed ________ percent.

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Q. What is the range of water absorption of aggregates used in road?

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Q. The loss in weight should not exceed ______________ percent when tested with sodium sulphate and ________ percent with magnesium sulphate solution.

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Q. If 60% aggregates doesn’t pass through the 2.36 mm sieve, then what would be the value of Aggregate impact value?

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Q. A maximum value of ___ percent is allowed for WBM base course in Indian conditions.

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Q. Aggregates to be used for wearing course, the impact value shouldn’t exceed __________ percent.

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