Hydraulics and Fluid Mechanics in ME Two dimensional flows occurs when The velocity of successive fluid particles, at any point, is the same at successive periods of time The direction and magnitude of the velocity at all points are identical The magnitude and direction of the velocity do not change from point to point in the fluid The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane The velocity of successive fluid particles, at any point, is the same at successive periods of time The direction and magnitude of the velocity at all points are identical The magnitude and direction of the velocity do not change from point to point in the fluid The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions) (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For starting an axial flow pump, its delivery valve should be Depends on starting condition and flow desired Closed Open Could be either open or closed Depends on starting condition and flow desired Closed Open Could be either open or closed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In series-pipe problems a trial solution is not necessary the discharge is same through each pipe the head loss is same through each pipe the discharge through each pipe is added to obtain total discharge a trial solution is not necessary the discharge is same through each pipe the head loss is same through each pipe the discharge through each pipe is added to obtain total discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the ratio's of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have. Geometric similarity Dynamic similarity None of these Kinematic similarity Geometric similarity Dynamic similarity None of these Kinematic similarity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Pelton wheel with two or more nozzles Kaplan turbine Francis turbine Pelton wheel with one nozzle Pelton wheel with two or more nozzles Kaplan turbine Francis turbine Pelton wheel with one nozzle ANSWER DOWNLOAD EXAMIANS APP
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