In a pump there is

Related MCQs

• It is desired to predict the performance of a large centrifugal pump from that of a scale model one fourth the diameter. The model absorbs 20 HP when pumping under test head of 20 m at its best speed of 400 r.p.m. The large pump is required to pump against 60 m head. The following will be the speed of the pump
• Higher specific speeds (160 to 500) of centrifugal pump indicate that the pump is of
• The ratio of power outlet of the pump to the power input to the pump is known as
• If the specific speed of a pump is in the range 170 to 400, the type of pump would be
• If the specific speed of a pump is calculated as 5000, the type of pump that should be selected is
• The specific speed of a pump is defined as the speed of a pump
• A pressure rise of 500 kPa is needed across a pump in a pipe transporting 0.2 m2/s of water. If the pump is 85% efficient, the power needed, in kW, would be
• The head developed by a centrifugal pump may be expressed as
• With reference to a centrifugal pump which of the following statements is incorrect?
• A centrifugal pump should be so installed above the water level in the sump such that