Which option correctly lists the bar value corresponding to 50 psi above system demand?

Which option correctly lists the bar value corresponding to 50 psi above system demand?

• A. 2.0 bar
• B. 2.5 bar
• C. 3.0 bar
• D. 3.4 bar

Answer: (D)

Converting pressure units is what this question hinges on. Fifty psi above system demand translates to a bar value by using 1 bar ≈ 14.5038 psi. So 50 psi ÷ 14.5038 ≈ 3.447 bar, which rounds to 3.4 bar when expressed to one decimal place. That makes 3.4 bar the correct bar value. The other options correspond to lower psi values (about 29, 36, and 43 psi respectively) and don’t match the 50 psi increment.

Converting pressure units is what this question hinges on. Fifty psi above system demand translates to a bar value by using 1 bar ≈ 14.5038 psi. So 50 psi ÷ 14.5038 ≈ 3.447 bar, which rounds to 3.4 bar when expressed to one decimal place. That makes 3.4 bar the correct bar value. The other options correspond to lower psi values (about 29, 36, and 43 psi respectively) and don’t match the 50 psi increment.