Water flows through a cast iron pipe.

The pipe has a diameter $0\mathrm{.}6[m]$ and is $2\mathrm{.}2[km].$ The discharge in the pipe is $1\mathrm{.}3[\frac{m^3}{s}].$

Ignoring minor losses, compute the total headlosses along the pipe in $m$ using Darcy$-$Weisbach.

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$2$

$1$ point

Now, let the pipe have diameter $0\mathrm{.}6[m]$ and length $2\mathrm{.}8[km]$ with an elevation drop of $49[m]$ from an upstream point A to a downstream point B$.$ The discharge in the pipe is $1\mathrm{.}4$

$\frac{m^3}{s}.$

What is the drop in pressure from the upstream to downstream point in $[$psi$]?$

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$3$

$1$ point

Which of the following types of head increase from the upstream to downstream point?

kinetic

pressure

elevation

piezometric

none of the above

$4$

$1$ point

Which of the following types of head decrease from the upstream to downstream point?

kinetic

pressure

elevation

piezometric

none of the above

$5$

$1$ point

Which of the following changes will decrease the head loss between the upstream and downstream point?

increasing the pipe diameter

increasing the pipe length

increasing the flow velocity

using a concrete pipe instead