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Which joint in the sewer is known as ring tie coupling?

(a) Bell and spigot joint

(b) Collar joint

(c) Mechanical joint

(d) Simplex joint

This question was addressed to me during an interview.

This question is from Joints and Shapes of Sewers and  Cleaning, Maintenance and Ventilation of Sewer topic in portion Construction of Sewers, Sewer Appurtenances and Sewage Pumping of Environmental Engineering

1 Answer

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Correct option is (d) Simplex joint

The explanation is: In Simplex joint, coupling of asbestos cement pipe and two rubber ring takes place, so this joint is called as ring tie coupling.

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