Refrigeration and Air Condition Technician Second Year MCQ is a simple e-Book for ITI Course Revised NSQ F-5 Syllabus, It contains objective questions with underlined & bold correct answers MCQ covering all topics including all about the latest & Important about Carry out servicing, dismantling, checking different parts of different types of commercial compressor, re-placing worn out parts, Check lubrication system. Assemble & check performance. Perform servicing of different types of water-cooled condenser. Perform servicing and performance test of Cooling tower Conduct Servicing, backwash & re-generate Water treatment plant of circulating water. Perform Fitting of expansion valve, adjustment of refrigerant flow according to heat load. Perform servicing of evaporator & chillers. Carry out servicing and retrofit of Water cooler and dispenser. Service, retrofit of visible cooler and bottle cooler and test performance.