Question $5$:

It is desired to use a pump driven by an

electric motor to pump $1200$ gallons $($UK$)$

of oil to a height of $36$ ft in half an hour.

The oil has a specific gravity of $0\mathrm{.}85.$ If the

combination of motor and pump has an

efficiency of $62$ percent, determine the

power requirements of the motor in

kilowatts.

$(10$ marks$)$