Q. Cast Iron pipes are being joined a _________

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Q. Bell joint is also known as ___________

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Q. Which of the following joint is a simplex joint?

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Q. The mortise and tenon are provided in __________ joint.

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Q. ________ head should be higher than working head in a hydraulic test.

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Q. Leakage should be nil or minimum by following equation Q = ___________ × ND (P)^1/2.

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Q. _______ is used to magnify the sound for detecting leakage.

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Q. Which of the following is not a leakage detection method?

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Q. Which of the following is not a cause of corrosion?

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Q. A pipe sunk into the ground to draw the underground water is known as ___________

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Q. Which of the following well is also known as flowing well?

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Q. The water bearing strata is known as _________

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Q. The difference in levels of water in a well before and after pumping is called ________

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Q. A cylindrical section having no joint is known as _____________

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Q. Strength of joint = efficiency × __________

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Q. The presence of calcium and magnesium chloride in water causes ___________

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Q. The calcium carbonate in water is _____________

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Q. Red colour in water denotes?

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Q. The water of the river has an important property known as __________

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Q. The type of joint provided to release thermal stresses is called _______

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