Water logging takes place due to

Related MCQs

• Water logging is caused due to
• Intensity of irrigation should be increased in order to prevent the area from water logging.
• When the upstream face of a gravity dam is vertical, then the intensity of water pressure at the water surface and at the base respectively will be (where w is unit weight of water and H is the depth of water.)
• Rate of evaporation from a water surface increases if i) difference of vapour pressure between water and air is increased ii) velocity of wind is decreased iii) concentration of soluble solids in water is decreased The correct answer is
• The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are i) Water pressure ii) Self weight iii) Uplift iv) Pressure due to earthquake The correct answer is
• The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is
• The infertility of the soil in water-logged areas is due to
• For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of
• The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as
• The stage of river carrying a discharge of Q m7sec at a point is 10 m and slope of water surface is (1/4000). The discharge of a flood at the same point and same stage of 10 m with a water surface slope of(l/1000)willbe