Solve 2nd question compulsorily.

PROBLEMS For the following process conditions determine the size and arrangement of exchanger to fulfill the conditions allowing premure drops of 10 pai each stream and a combined dirt factor of 0 004 Employ 1-2 exchangers wherever possible 11.1. 60,000 lb/hr of 42 API kerosene is cooled from 400 to 225F by heating 35 API distillate from 100 to 200 F Use % in OD, 16 BWG tubes, 160" long on 14-in triangular pitch 11.2. 120,000 lb/hr of aniline is cooled from 275 to 200F by heating 100,000 16 h of benzene from 100 to 200"F. Use % in OD, 14 BWG tubes, 16'0long on 1-in square pitch