Category: Hydraulic Machines

A. high discharge
B. high head
C. pumping of viscous fluids
D. high head and high discharge
E. high efficiency

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.

A. directly as fan speed
B. square of fan speed
C. cube of fan speed
D. square root of fan speed
E. none of the above

A. kept fully closed
B. kept fully open
C. irrespective of any position
D. kept 50% open
E. none of the above

A. radially, axially
B. axially, radially
C. axially, axially
D. radially, radially
E. combination of axial and radial

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. horizontal
B. nearly horizontal
C. steep
D. first rise and then fall
E. none of the above

A. kept fully closed
B. kept fully open
C. irrespective of any position
D. kept 50% open
E. none of the above

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

A. increases
B. decreases
C. remains unaffected
D. first increases and then decreases
E. first decreases and then increases