4. Figure 1 shows line diagram of a filling of tank. Determine the voltage drop between the nozzle and grounded tank, and the energy stored in the nozzle [4%]. Determine the hose diameter required to avoid the potential hazard due to static charge? [6%] Table 1. Data related to Figure 1 Components and their properties Hose length (ft) 20 Flow rate (gpm) 25 Dielectric constant 2.4 Hose diameter (in) 2 Liquid conductivity, mho/cm 10-10