Water Supply Engineering Questions

• Most important source of water for public water supply, is from
• The maximum pressure to which cast iron pipes may be subjected to, is
• If the chosen diameter of a pipe, is less than the economical diameter
• When the reduced level of the water source is higher than the reduced level of the consumer's place, water is generally supplied
• The fire demand for ascertaining the empirical formula known as
• The prescribed hardness limit of potable water ranges between
• High pH value of water does not produce
• According to Buston's formula, fire demand in litres per minute for a population of P thousands, is
• If Q is discharge is cubicmetres per sec and D is the economical diameter of the pipe. According to Lea
• Detention period of a settling tank is
• Turbidity of water is expressed
• Recuperation test is carried out to determine
• The permissible amount of nitrites present in potable water, is
• Before constructing a dam, the factor to be considered for controlling sedimentation, is
• A slow sand filter is cleaned if its filter head is higher than
• Normal values of overflow rate for plain sedimentation tank using coagulants, is
• If the specific capacity of a well is 0.3183 x 10-3 per sec, the discharge from a well of 4 m diameter under a depression head of 4 m, is
• The maximum pressure to which a pipe is subjected to during its operation, is known
• The factor to be considered for the source of city water supply, is
• Pick up the correct statement from the following :