The most commonly used method for the design of duct size is the
A. Velocity reduction method
B. Equal friction method
C. Static regains method
D. Dual or double method
Answer: Option C
Solution(By Examveda Team)
Static regain is the third sizing method for ductwork included in Design Master HVAC. The calculation works by keeping the static pressure in the ductwork constant throughout the system.This Question Belongs to Mechanical Engineering >> Heat And Mass Transfer
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Option B is correct.