A. straight
B. bent forward
C. bent backward
D. radial
E. given aerofoil section

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Related Mcqs:

  1. The efficiency of a centrifugal pump is maximum when its blades are__________________?
    A. straight B. bent forward C. bent backward D. bent forward first and then backward E. bent backward first and then forward...
  2. Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of____________________?
    A. high initial and maintenance cost B. lower discharge C. lower speed of operation D. necessity of air vessel E. all of the above...
  3. Multistage centrifugal pumps are used to obtain___________________?
    A. high discharge B. high head C. pumping of viscous fluids D. high head and high discharge E. high efficiency...
  4. Centrifugal pump is started with its delivery valve __________________?
    A. kept fully closed B. kept fully open C. irrespective of any position D. kept 50% open E. none of the above...
  5. In a centrifugal pump casing, the flow of water leaving the_______________?
    A. radial B. radial C. centrifugal D. rectilinear E. vortex...
  6. The optimum value of vane exit angle for a centrifugal pump impeller is_________________?
    A. 10-15° B. 20-25° C. 30-40° D. 50-60° E. 80-90°....
  7. Motion of a liquid in a volute casing of a centrifugal pump is an example of____________________?
    A. rotational flow B. radial C. forced spiral vortex flow D. forced cylindrical vortex flow E. spiral vortex flow...
  8. Puck up the wrong statement about centrifugal pump_______________?
    A. discharge a diameter B. head a speed2 C. head a diameter D. Power a speed3 E. none of the above is wrong...
  9. Casting of a centrifugal pump is designed so as to minimize________________?
    A. friction loss B. cavitation C. static head D. loss of kinetic energy E. starting time...
  10. A turbine pump is basically a centrifugal pump equipped additionally with_________________?
    A. adjustable blades B. backward curved blades C. vaned diffusion casing D. inlet guide blades E. totally submerged operation facility...
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