UNIVERSITY OF FLORIDA ML. 386.-Power Engineering. 3 hours. 3 credits. Prerequisite: ML. 385 or CG. 467-468. Offered 1, 2, 3. Steam and Diesel engine power plants and their auxiliary equipment. Remp, Fundamentals of Power Plant Engineering. ML. 387.-Mechanical Laboratory. 1 hour, and 3 hours laboratory. 1 credit. Corequisite: ML. 385. Offered 1, 2, 3. Preparation of engineering reports, computation aids, the measurement of area, time, speed, pressure, temperature and gas flow. Laboratory Instructions. Moyer, Power Plant Testing. ML. 388.-Mechanical Laboratory. 1 hour, and 3 hours laboratory. 1 credit. Prerequisite: ML. 387; Corequisite: ML. 386. Offered 1, 2, 3. Analysis of fuels, heating value, flue gas analysis, and the testing of boilers, turbines, engines and steam plant auxiliary apparatus. Laboratory Instructions. Moyer, Power Plant Testing. ML. 390.-Thermodynamics II. 3 hours. 3 credits. Prerequisite: ML. 385. Offered 1, 2. Fuels and combustion; heat transfer; vapor power cycles; steam engines; steam and gas turbines; internal combustion cycles; gas compression; refrigeration cycles. Ebaugh, Engineering Thermodynamics. Keenan and Keyes, Thermodynamic Properties of Steam. A. C. & R. M. A., Properties of Commonly Used Refrigerants. ML. 473.-Seminar. 1 hour. 1 credit. Offered 1. Presentation of papers on current developments in mechanical engineering. ML. 474.-Seminar. 1 hour. 1 credit. The second half of the course ML. 473-474. Offered 2. ML. 481.-Internal Combustion Engines. 3 hours. 3 credits. Prerequisite: ML. 385. Offered 1, 2. Gas and liquid fuels, internal combustion engines, hot-air engines, gas producers, and gas turbines. Automotive, aircraft, and Diesel power plants. Obert, Internal Com- bustion Engines. ML. 482.-Refrigeration and Air Conditioning. 3 hours. 3 credits. Pre- requisite: ML. 390. Offered 1, 2. Refrigerating and air conditioning apparatus and their applications to the indus- trial, commercial and residential fields. Jennings and Lewis, Air Conditioning and Re- frigeration, 2nd Edition. ML. 483.-Mechanical Laboratory. 1 hour, and 3 hours laboratory. 1 credit. Prerequisite: ML. 387; Corequisite: ML. 481. Offered 1, 2. Testing of lubricants, gasoline, automobile engines, aircraft engines, and high and low speed Diesel engines. U. S. Government Specifications, Lubricants and Liquid Fuels, A. S. M. E., Power Test Codes. Obert, Internal Combustion Engines. Laboratory In- structions. ML. 484.-Mechanical Laboratory. 1 hour, and 3 hours laboratory. 1 credit. Prerequisite: ML. 387; Corequisite: ML. 482. Offered 1, 2. Tests of an ammonia refrigeration system, freon direct expansion air conditioner, air washer air conditioner, fans, the study of pneumatic and electric controls, and air distribution. A. S. M. E. and A. S. H. & V. E., Test Codes. Shoop and Tuve, Me- chanical Engineering Practice. Laboratory Instructions. The statement "Offered 1" means offered first semester; 2, second semester; 3, summer session.