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
Related Mcqs:
- Francis, Kaplan and propeller turbines fall under the category of___________________?
A. Impulse turbines
B. Reaction turbines
C. Axial flow turbines
D. Mixed flow turbines
E. Reaction-cum-impulse turbines - High 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 - The maximum number of jets generally employed in impulse turbine without jet interference is________________?
A. 4
B. 6
C. 8
D. 12
E. 16. - The discharge through a reaction turbine with increase in unit speed____________________?
A. increases
B. decreases
C. remains unaffected
D. first increases and then decreases
E. first decreases and then increases - 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 - In reaction turbine, draft tube is used_____________________?
A. to transport water downstream without eddies
B. to convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section
C. for safety of turbine
D. to increase flow rate
E. none of the above - 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 - 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 - 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. - 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
