A. kept fully closed
B. kept fully open
C. irrespective of any position
D. kept 50% open
E. none of the above
A. 102 watts
B. 75 watts
C. 550 watts
D. 736 watts
E. 33000 watts
A. designing new impeller
B. trimming the impeller size to the required size by machining
C. not possible
D. some other alterations in the impeller
E. none of the above
A. high discharge
B. high head
C. pumg of viscous fluids
D. high head and high discharge
E. high efficiency
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. closed
B. open
C. depends on starting condition and flow desired
D. could be either open or closed
E. partly open and partly closed