Q. In which process maximum retention of hot creosote oil is practiced?

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Q. Why a final vacuum is applied in the Full cell process?

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Q. Empty cell (Rueping) process is used for treating which type of timber?

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Q. Where are Fir sleepers used?

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Q. What is the order for recovery of preservatives in these processes?

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Q. Why is prophylactic treatment of sleepers done?

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Q. What is used for removing the moisture content in Boulton process?

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Q. Seasoning of sleepers is done to remove the excess preservative from the wood?

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Q. Which of the following is not a way of stacking of sleepers?

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Q. In which type of sleepers the heartwood side is kept upwards and the sapwood side downwards?

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Q. This process of cutting the wooden sleeper at a slope of 1 in 20 is known as ________

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Q. Which is the most used method for seasoning of wooden sleepers in India?

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Q. Why were steel channel sleepers developed?

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Q. The sleepers made from waste products are called as ________

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Q. Which type of fittings are used by Composite sleepers?

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Q. Where are composite sleepers developed?

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Q. Which of the following is not true about steel trough sleepers?

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Q. What type of problems are observed in case of pressed up lugs?

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Q. The steel trough sleepers are very useful in case of long welded rails.

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Q. What is the limit for inward tilt at rail seat?

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