22.5-4. minimum liquid flow in a packed tower. the gas stream from a chemical reactor contains 25 mol % ammonia and the rest are inert gases. the total flow is 181.4 kg mol/h to an absorption tower at 303 k and 1.013 × 105 pa pressure, where water containing 0.005 mol frac ammonia is the scrubbing liquid. the outlet gas concentration is to be 2.0 mol % ammonia. what is the minimum flow l min ⁡ ′ using 1.5 times the minimum, plot the equilibrium and operating lines. ans. l min ⁡ ′ = 262.6kg mol/h

If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79

Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10

Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines