Bachelor of Technology (BTech) Chemical Engineering is a four year undergraduate degree.Chemical engineering is a branch of the entire engineering course.In chemical engineering, you are taught about the chemical property of each substance and the new substance, and you have to research that what changes are taking place in the chemical property of which conditions, by using the chemical property in you. New substances can be made from it. All these things are studied in chemical engineering.The basic eligibility criteria is 10+2 pass from a recognized university with Physics, Chemistry and Mathematics. Job Positions for BTech Chemical Engineering. Chemical Engineer Technical Service Engineer Professor Fire & Safety Officer Manager Chemical System Coordinator. Top Requiring Companies for BTech Chemical Engineering. ONGC Coal India Geological Survey of India HCL IPCL Neyveli Lignite Corp. NALCO TISCO TELCO Reliance. Top Entrance Exam for BTech Chemical Engineering. JEE Main MHT CET KCET AP EAMCET TS EAMCET KEAM Goa CET WBJEE UPSEE.