For calculation of economical diameter D of a pipe in metres for a discharge Q to be pumped in cumecs, Lea suggested the empirical formula

Related MCQs

• If the chosen diameter of a pipe, is less than the economical diameter
• If P is population of a city in thousands and Q is fire demand in litres per minute, for proper estimate of water, the Empirical formula Q = 1135 [(P/5) + 10] is suggested by
• If d is the diameter of the pipe, p is the total internal pressure, f is the permissible tensile stress and n is the effective of the joint, the thickness t of metal pipe, is
• For drains up to 15 cumecs, the depth “d” and “B” width are related by
• The fire demand for ascertaining the empirical formula 1136.5 [(P/10) + 10] known as
• The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning's formula, is given by
• Hazen's formula VS = 418 (GS - Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter
• If D is the diameter of a circular sewer and D' is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is
• Anti syphonage pipe is fitted
• The self-cleansing velocity of water flowing through pipe lines, is