Fluid Mechanics - Study Mode
[#621] Boiler feed water pump is usually a __________ pump.
Correct Answer
(C) Multistage centrifugal
[#622] Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is
Correct Answer
(D) $$frac{{ ext{Q}}}{{16}}$$
[#623] Which of the following quantities are computed by using the hydraulic radius for non-circular ducts?
Correct Answer
(C) Reynold number, relative roughness and head loss
[#624] The ratio of wall drag to total drag in the Stoke's law range is
Correct Answer
(D) $$frac{2}{3}$$
[#625] The most serious disadvantage of an orificemeter is that
Correct Answer
(C) Most of the pressure drop is not recoverable