Q1. Bernoulli’s’ theorem indicates that:
A
Q2. Bernoulli’s Theorem states:
B
Q3. The expression, “In a streamlined flow of fluid, the sum of all energies is a constant,” derives from:
B
Q4. Bernoulli’s equation can be written as: (pt = total pressure, ps = static pressure and q = dynamic pressure)
D
Q5. Bernoulli’s equation can be written as (pt = total pressure, ps =static pressure, q = dynamic pressure):
B
Q6. Which one of the following statements about Bernoulli’s theorem is correct?
D
Q7. Bernoulli’s equation is (note: rho is density; pstat is static pressure; pdyn is dynamic pressure; ptot is total pressure)
D
Q8. In a stationary subsonic streamline flow pattern, if the streamlines converge, in this part of the pattern, the static pressure will (i) and the velocity will (ii):
A
Q9. The continuity equation states: If the area of a tube is increasing, the speed of the subsonic and incompressible flow inside is:
D
Q10. Assuming subsonic incompressible flow, how will air density change as air flows through a tube of increasing cross-sectional area?
B
Q11. In a two-dimensional flow pattern, where the streamlines converge the static pressure will:
B
Q12. If in a two-dimensional incompressible and subsonic flow, the streamlines converge the static pressure in the flow will:
C
Q13. Consider a certain stream line tube. The velocity of the stream in the tube is V. An increase of temperature of the stream at constant value of V will:
D
Q14. If the continuity equation is applicable, what will happen to the air density (rho) if the cross sectional area of a tube changes? (low speed, subsonic and incompressible flow):
D