Delaware County Community College

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HVAC 104 - Practical Problems in Mathematics for HVAC&R Technicians

This course introduces basic mathematics for the HVAC&R student. The course includes whole and mixed numbers fractions, decimals, ration and proportions, basic trigonometry and Ohm's law of electrical relationships. It covers direct and computed measure and presents the use of standard formulas, graphs and graphing. Theories tested with problems that are directly related to the HVAC industry. The course is designed to remediate students with mathematics concepts and prepare them for traditional college level math courses. Emphasis will be placed on real practical applications.

Upon successful completion of this course, the student should be able to:

  • Solve problems using ratio and proportion.
  • Calculate answers using standard HVAC&R formulas.
  • Solve triangles using trigonometric ratios and the law of sines and cosines.
  • Construct graphs from raw data and also interpret graphs.
  • Solve applied HVA problems applying the competencies above.

Prerequisite: None
3 hours each week 3 credits

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