Water drips from a tap at the rate of 4 drops in every 3 seconds. Volume of one is `0.4cm^(3)`. If the dripped water is collected in a cylindrical vessel of height 7 cm and diameter 8 cm, in what time will the vessel be completely filled ? What is the volume of water collected ? How many times will the vessel be completelt filled in 3 hours and 40 minutes ?