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Question

Water is flowing through a horizontal pipe of non -uniform cross-section . At he extreme narrow portion of the pipe . The water will have :


Options:
A .  maximum speed and least pressure
B .  maximum pressure and maximum speed
C .  both pressure and speed maximum
D .  both pressure and speed least.
Answer: Option A

Bernoulli's principle states that if speed of liquid at a place is maximum then at hat place pressure will be minimum Therefore at the extreme narrow portion of the pipe of non -uniform cross section, the speed is maximum , so pressure will be minimum .



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