Question

I’m needing desperate help on these three questions

18 A brine solution flows with no viscosity through a horizontal nozzle, which gradually tapers, so the exit diameter is only 40.0% of the entrance f the flow at the entranc ends) is p 1,150 kg/m. (A) 1240; (B) 1405; (C) 1368, (D) 2280; Or, (E) 7292 19 What is the average molecular velocity e is 0.250 m/s, what is the pressure drop across the pipe in Pa? Density (at both i9) What is the average molecular velocity, in meters per second, for CO, exhausting from your car at 2500 ? (A) 320 (B) 472.6 (C) 133.4 (D) 280.6 Or, (E) 72.2 Outside drizzle and sleet is just above freezing, 5°C and 100% humidity. Saturation vapor pressure is 872 Pa. In the warm house, the air is at 20°C (svpabout 2340 Pa). If there are no sources of humidity in your house except the outside air, what is the relative humidity in the house? (A) 100% (B) 50% (C) 37% (D) 10%, or (E) 2%.

Answer 1