Fluid Mechanics The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length. Transition Prandtl mixing None of these Equivalent Transition Prandtl mixing None of these Equivalent ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 24000 24 0.24 0.44 24000 24 0.24 0.44 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Permanent loss in a venturimeter is about __________ percent of the pressure drop in theupstream cone. 70 40 1 10 70 40 1 10 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will Remain unchanged Data insufficient to predict relative pressure drop Decrease Increase Remain unchanged Data insufficient to predict relative pressure drop Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following pipe bends will incur the largest head loss ? 90° bend U-bend 30° bend 45° bend 90° bend U-bend 30° bend 45° bend ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics. Piston Gear Sump Positive displacement Piston Gear Sump Positive displacement ANSWER DOWNLOAD EXAMIANS APP
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