The ratio of quantity off liquid discharged per second from the pump to the quantity of liquid
passing per second through the impeller is known as

Related MCQs

• Discharge of a centrifugal pump is (where N= speed of the pump impeller)
• The fluid gains while passing through the impeller.
• For a centrifugal pump impeller, the maximum value of the vane exit angle is
• Ratio of pump or turbine with reference pump or turbine is called as                  
• The work done by centrifugal pump on water per second per unit weight of water is given by
• A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid)
• To discharge a large quantity of liquid by multi-stage centrifugal pump, the impellers are connected
• A liquid flows with the same velocity through two pipes 1 and 2 having the same diameter. If the length of the second pipe be twice that of the first pipe, what should be the ratio of the head loss in the two pipes?
• A liquid flows through pipes 1 and 2 with the same flow velocity. If the ratio of their pipe diameters d1 : d2 be 3:2, what will be the ratio of the head loss in the two pipes?
• A liquid flowss through two similar pipes 1 and 2. If the ratio of their flow velocities v1 : v2 be 2:3, what will be the ratio of the head loss in the two pipes?