High specific speed of turbine implies it is__________________?

Related Mcqs:

1. Low specific speed of turbine implies it is__________________?

   A. propeller turbine
   B. Francis turbine
   C. impulse turbine
   D. any one of the above
   E. none of the above

2. The specific speed of turbine is defined as the speed of a unit___________________?

   A. of such a size that it delivers unit dis-charge at unit head
   B. of such a size that it delivers unit dis-charge at unit power
   C. of such a size that it requires unit power per unit head
   D. of such a size that it produces unit horse power with unit head
   E. none of the above

3. High specific speed of a pump implies it is_____________________?

   A. centrifugal pump
   B. mixed flow pump
   C. axial flow pump
   D. any one of the above
   E. none of the above

4. Medium specific speea of turbine implies it is___________________?

   A. propeller turbine
   B. Francis turbine
   C. impulse turbine
   D. any one of the above
   E. none of the above

5. Low specific speed of a pump implies it is____________________?

   A. centrifugal pump
   B. mixed flow pump
   C. axial flow pump
   D. any one of the above
   E. none of the above

6. Medium specific speed of a pump implies it is_________________?

   A. centrifugal pump
   B. mixed flow pump
   C. axial flow pump
   D. any one of the above
   E. none of the above

7. Runaway speed of a hydraulic turbine is_________________?

   A. full load speed
   B. the speed at which turbine runner will be damaged
   C. the speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open
   D. the speed corresponding to maximum overload permissible
   E. none of the above.

8. Specific speed for reaction turbines ranges from___________________?

   A. 0 to 4.5
   B. 10 to 100
   C. 80 to 200
   D. 250 to 300
   E. none of the above

9. Francis turbine is best suited for_____________________?

   A. medium head application from 24 to 180 m
   B. low head installation up to 30 m
   C. high head installation above 180 m
   D. all types of heads
   E. none of the above

10. Impulse turbine is generally fitted______________________?

    A. at the level of tail race
    B. little above the tail race
    C. slightly below the tail race
    D. about 2.5 m above the tail race to avoid cavitation
    E. about 2.5 m below the tail race to avoid cavitation