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Q.
Water flows into a tank 200 m x 160 m through a rectangular pipe of 1.5m x 1.25 m @ 20 kmph . In what time (in minutes) will the water rise by 2 meters?
A.
92min
B.
93min
C.
95min
D.
96min
View Answer
Correct choice: D
Explanation:
Volume required in the tank = (200 x 150 x 2) cu.m = 60000 cu.m Length of water column flown in1 min =(20 x 1000)/60 m =1000/3 m Volume flown per minute = 1.5 x 1.25 x (1000/3) cu.m= 625 cu.m. Required time = (60000/625)min = 96min
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