Related Questions

A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is:
A 6 hours
B 10 hours
C 15 hours
D 30 hours
__________ joint is mostly used for joining pipes carrying water at low pressure.
A Nipple
B Socket
C Union
D Bell and spigot
A water tank with 64-gallon capacity is filled by pipe A and emptied by pipe B. If the rate of water flow through pipe A is 2 gallons per hour, how many gallons per hour should flow through pipe B so that when both pipes are open, the initially empty tank shold be full in exactly 96 hours?
A 3/8
B 4/3
C 2/3
D 8/3
The expansion joint is mostly used for pipes which carry steam at __________ pressures.
A Low
B High
C Medium
D None of these
Pipe A alone can fill a tankin 8 hours .Pipe B can fill it in 6 hours . If both the pipes are operated and after 2 hours pipe A is closed, then the other pipe will fill the tank in.
A 6 hours
B 3 1/2 hours
C 4 hours
D 1 1/2 hours
A tank is fitted with 8 pipes, some of them that fill the tank and others that are waste pipe meant to those that empty the tank can empty it in 6 hours. If all the pipes are kept open when the tank is full, it will take exactly 6 hours for the tank to empty. How many of these are these are fill pipes?
A 2
B 4
C 6
D 5
Welded joint is superior to revetted joint in respect of ease of fabrication, weight and strength. Which of the following joints is the most suitable for pipes carrying fluids under high pressure and temperature?
A Flanged joint
B Expansion joint
C Bell and spigot joint
D None of these
One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in :
A 81 min
B 108 min
C 144 min
D 192 min
Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many will the tank be filled?
A 2
B 2.5
C 3
D 3.5
Pipe P can fill and empty tank in 4 hours but pipe Q can completely empty the same tank in 8 hours. But the pipes were opened alternately after every two hours starting with pipe P then in how many hours, the tank was completely filled ?
A 6 hours
B 5 hours
C 10 hours
D 12 hours

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