A. centrifugal pump
B. mixed flow pump
C. axial flow pump
D. any one of the above
E. none of the above
Low specific speed of a pump implies it is____________________? Read More »
Hydraulic Machines A. at the top
B. at the bottom
C. at the center
D. from sides
E. none of the above
In a centrifugal pump, the liquid enters the pump__________________? Read More »
Hydraulic Machines A. straight
B. bent forward
C. bent backward
D. radial
E. given aerofoil section
A. 10-15°
B. 20-25°
C. 30-40°
D. 50-60°
E. 80-90°.
A. same quantity of liquid
B. 0.75 Q
C. Q/0.75
D. 1.5 Q
E. none of the above
A. horizontal
B. nearly horizontal
C. steep
D. first rise and then fall
E. none of the above
A. straight
B. bent forward
C. bent backward
D. bent forward first and then backward
E. bent backward first and then forward
The efficiency of a centrifugal pump is maximum when its blades are__________________? Read More »
Hydraulic Machines A. high initial and maintenance cost
B. lower discharge
C. lower speed of operation
D. necessity of air vessel
E. all of the above
A. radial
B. radial
C. centrifugal
D. rectilinear
E. vortex
In a centrifugal pump casing, the flow of water leaving the_______________? Read More »
Hydraulic Machines A. impeller diameter
B. speed
C. fluid density
D. type of casing
E. A. and B. above
Head developed by a centrifugal pump depends on___________________? Read More »
Hydraulic Machines