Fluid Mechanics - Study Mode

[#446] Drag force on the float of a rotameter is (where, Q = flow rate of the fluid)
Correct Answer

(D) Constant

[#447] Which of the following facilitates close control of flow of fluids?
Correct Answer

(B) Globe valve

[#448] In area meter (e.g., rotameter), with increase in the fluid flow rate, the
Correct Answer

(B) Pressure drop is almost constant

[#449] Hydraulic radius of 6" × 12" cross-section, is __________ inches.
Correct Answer

(A) 2

[#450] In case of a __________ the energy of flow is considerably decreased downstream of the machine.
Correct Answer

(B) Turbine