11. Any change in load is adjusted by adjusting following parameter on turbine
Correct answer: (D)
flow
12. Axial flow pump is started with its delivery valve
Correct answer: (B)
kept fully open
13. Casting of a centrifugal pump is designed so as to minimize
Correct answer: (D)
loss of kinetic energy
14. Centrifugal pump is started with its delivery valve
Correct answer: (A)
kept fully closed
15. For small discharge at high pressure, following pump is preferred
Correct answer: (E)
reciprocating.
16. For starting an axial flow pump, its delivery valve should be
Correct answer: (B)
open
17. For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred
Correct answer: (B)
axial flow
18. Francis turbine is best suited for
Correct answer: (A)
medium head application from 24 to 180 m
19. Francis, Kaplan and propeller turbines fall under the category of
Correct answer: (B)
Reaction turbines
20. Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between
Correct answer: (A)
lift and resultant force