6. Which are considered "severe driving" conditions? A) Frequent short trips
B) O Hauling or towing
c)O Driving in dusty conditions
D) O Driving in extreme hot or cold temperatures
E) O All of the above

Water in a partially filled large tank is to be supplied to the roof top, which is 8 m above the water level in the tank, through a 2.2-cm-internal-diameter pipe by maintaining a constant air pressure of 300 kpa (gage) in the tank. if the head loss in the piping is 2 m of water, determine the discharge rate of the supply of water to the roof top in liters per second.