Q.

ρV→. dS→ is positive when  

A. the mass flow is outward
B. the mass flow is inward
C. the mass flow is positive
D. the mass flow is negative
Answer» A. the mass flow is outward
Explanation: ds→ always points outwards to the control volume. so, the product ρv→. ds→ is positive when the mass flow is outwards.
2.9k
0
Do you find this helpful?
27

View all MCQs in

Fluid Mechanics and Machinery

Discussion

No comments yet

Related MCQs