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Question

Drip irrigation system mainly constitutes main line, sub mains, line and laterals with drippers and other accessories. What is the diameter and pressure used in main line pipes?

A 75 mm & 4-6 kg/cm2 Correct Answer Incorrect Answer
B 45 mm & 2-3 kg/cm2 Correct Answer Incorrect Answer
C 32 mm & 1-2 kg/cm2 Correct Answer Incorrect Answer
D 65 mm & 4-6 kg/cm2 Correct Answer Incorrect Answer
E 60 mm & 2-3 kg/cm2 Correct Answer Incorrect Answer

Solution

Main line is made of rigid PVC and high density polyethylene (HDPE). Pipe lines of 65 mm diameter and above with a pressure rating of 4 to 6 kg/cm2 are used as main pipes.

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