Question

Water is flowing in a horizontal pipe of non uniform cross-section. At the extreme narrow portion of the pipe

• A. Velocity of water will be maximum and pressure minimum
• B. Pressure of water will be maximum and velocity minimum
• C. Both pressure and velocity of water will be maximum
• D. Both pressure and velocity of water will be minimum

Answer 1

The correct option is A Velocity of water will be maximum and pressure minimum

Considering water as an ideal fluid.
For flow to be possible
$AV=$ constant
$A\downarrow V\uparrow$
From Bernoulli’s equation
$P+\rho gh+\frac{1}{2}\rho v^2=\text{constant}$
$V\uparrow P\downarrow$
Hence option (A) is correct.