Hazen's formula VS = 418 (GS - Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter

Related MCQs

• If G is the specific gravity of particles of diameter d, the velocity of settlement V in still water at T°C, according to Stoke's law, is
• The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning's formula, is given by
• For determining the velocity of flow of underground water, the most commonly used nonempirical formula is
• The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is
• 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
• 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
• If the chosen diameter of a pipe, is less than the economical diameter
• The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock's law, is
• The formula V = (1/n) r2/3 𝒔 used for determining flow velocities in sewers is known as,
• To remove very fine suspended particles from water, the method adopted is