REFRIGERATION & AC 3-IN-1 TH./ASST./MODEL PAPERS (NSQF -4 SYLL.) 1ST & 2ND YR.

Computech Publications (Asian Publishers) Mechanic Refrigeration and Air Conditioner Trade Theory and Assignment/Test (Solved) Sector - Construction MCQ (With Key) and Short Q-Ans. According to Competency Based Curriculum (NSQF Level 4) Prescribed by D.G.T. A Textbook for 1st & 2nd Year As Per NIMI-DGT Pattern of Trade Testing