Q. Cotters and tie bars are used to fix rails to _____ sleepers.

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Q. MS tie bars are used for holding two plates of ______ sleepers together.

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Q. Which clips are most widely used with concrete sleepers on Indian Railways?

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Q. Which of the following is not correct regarding Pandrol clips?

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Q. What should be the range for the Brinel Hardness Number of the IRN 202 clip?

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Q. Which of the following is not a drawback of the IRN 202 clip?

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Q. Among which of the following fastenings permits the interchanging of 52 kg rails with 60 kg rails?

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Q. For which type of concrete sleepers Stem type MCI is used?

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Q. Which among the following is used between rails and sleepers to absorb shocks, resist lateral movement of rails and provide electrical insulation between rails?

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Q. Which of the following can be present in the composite liners developed by the RDSO?

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Q. What is the reason behind the breaking of GFN-66 liners?

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Q. What is an elastic fastening called which is easy to fit in but difficult to remove?

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Q. The pilfer proof circlip is generally used to restrain the axial movements of the components mounted on shafts.

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Q. Why are fastenings tested in the laboratory?

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Q. Why is Vibrogir used in Laboratories?

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Q. What are the extra activities performed by the pulsator?

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Q. According to wave motion theory what causes creep of rail?

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Q. What causes creep in rails according to Percussion theory?

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Q. Which theory states the formation of creep because of backward thrust?

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Q. How is creep caused because of Starting operation of locomotive?

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