Determine the volume of water contained in a 1/2 diameter (nominal) copper tube per foot of length. Use actual pipe dimensions

Please only provide the correct answer choices for the following:

A cylindrical steam boiler is to have a volume of 1340 cu ft. The cost of the metal sheets to make boiler should be a minimum. What is the required base diameter in feet? 11.95 12.31 13.64 18.46

2- Both a gage and a manometer are attached to a gas tank to measure its pressure. If the reading on the pressure gage is P kPa, determine the distance between the two fluid levels of the manometer if the fluid is (a) mercury (p = 13,600 kg/m³) or (b) oil (p = 850 kg/m³). First names starting with A to L First names with M to Z P (kPa) -15 starting -35 Gas h = ?