What is the value of co-efficient of discharge for square edged circular orifice (for β = 0.3 to 0.5) ?
Correct answer: A. 0.61 - 0.63
- A. 0.61 - 0.63
- B. 0.5 - 0.75
- C. 0.75 - 0.90
- D. 0.35 - 0.55
Explanation
A sharp-edged circular orifice has a discharge coefficient of about 0.61 to 0.63 for the stated beta range. The coefficient accounts for contraction and energy losses, so it is below unity.
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