1 size of project: the shorter the pipe that is to be lined, the more it costs per ft. 2  So 50â² of 3â³ pipe under a house might run $140 per foot, but 3000â² of pipe in a high rise condominium might run $125 per foot.
How to charge a battery. An average car battery has a capacity of around 48 amp hours which means that, fully charged, it delivers 1 amp for 48 hours, 2 amps for 24 hours, 8 amps for 6 hours and so on.f there is a power point handy, the battery can be left in the car, so long as the charge rate is only 3 or 4 amps. However, if the car has an alternator, disconnect the battery. beforehand: otherwise some alternators-generally the older type-can be damaged. If separate. caps are fitted, remove them for ventilation.
A fully discharged automotive battery may take up to 20 hours for full charging. The length of time is dependent upon the RC rating (reserve capacity). A battery with an RC of 60 and 2 amps could take 20 hours to charge, while a battery with an RC rating of 60 with 30 amps may take only one hour to fully charge. fully discharged automotive battery may take up to 20 hours for full charging. The length of time is dependent upon the RC rating (reserve capacity). A battery with an RC of 60 and 2 amps could take 20 hours to charge, while a battery with an RC rating of 60 with 30 amps may take only one hour to fully charge.