Fluid Mechanics In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is Increased in the direction of flow Constant along a streamline Not constant along a streamline None of these Increased in the direction of flow Constant along a streamline Not constant along a streamline None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics 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 Q/8 Q/16 Q/4 Q/2 Q/8 Q/16 Q/4 Q/2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Vane anemometer Is a variable head meter None of these Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed Is an area meter Is a variable head meter None of these Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed Is an area meter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A centrifugal pump is used to pump water through a horizontal distance of 150 m, and then raised to an overhead tank 10 m above. The pipe is smooth with an I.D of 50 mm. What head (m of water) must the pump generate at its exit (E) to deliver water at a flow rate of 0.001 m³/s? The Fanning friction factor, f is 0.0062. 20 m 11 m 10 m 12 m 20 m 11 m 10 m 12 m ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary. II, III, V II, IV, V I, II, III I, II, V II, III, V II, IV, V I, II, III I, II, V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Increase Decrease Remain same Data insufficient to predict pressure drop Increase Decrease Remain same Data insufficient to predict pressure drop ANSWER DOWNLOAD EXAMIANS APP