Q. Which of the following is the correct formula for calculating the depth of ballast cushion?

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Q. What is the shape of the pressure lines formed due to the dispersion of load in the ballast?

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Q. Dwarf walls should be provided in case of cuttings.

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Q. Which of the following is not a requirement of a good ballast?

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Q. Why should the ballast be hard?

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Q. What should be the maximum percentage of aggregates retained on the 65mm sieve?

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Q. What should be the shape of Ballast stones?

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Q. What is the shrinkage allowance when ballast is supplied by Wagons?

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Q. How is the collection of Ballast done?

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Q. Where is the stacking of ballast done?

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Q. In the collection of ballast along the cess, what are the materials passing through 6mm square mesh called?

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Q. What are the methods of measurement of quantity of ballast?

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Q. Which of the following is an unfavourable condition for the stacking of Ballast?

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Q. Why is a white line painted in case of Wagon measurement?

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Q. Which quantity should be painted outside the wagon?

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Q. Los Angeles machine is used for which of the following tests?

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Q. What is the diameter of the cylinder used for Aggregate impact value?

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Q. What is the weight of the test hammer used for Aggregate impact value?

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Q. Flakiness is the percentage by weight of particles with a least dimension less than ________ of their mean dimension.

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Q. What is the temperature for oven drying of aggregates for Specific gravity and water absorption test?

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