If you want to obtain a Class E license before you turn 18, you must . A. get a perfect score on the knowledge exam
B. have perfect attendance at school
C. hold a learner's license for 12 months with no moving violations
D. hold a learner's license for 12 months with no more than one moving violation

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.