Fluid Mechanics For water, when the pressure increases, the viscosity Remains constant Also increases Decreases First decreases, and then increases Remains constant Also increases Decreases First decreases, and then increases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity distribution for flow between two fixed parallel plates Is constant over the entire cross-section Varies parabolically across the section Is zero at the plates and increases linearly to the midplane None of these Is constant over the entire cross-section Varies parabolically across the section Is zero at the plates and increases linearly to the midplane None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate? 1 1.5 0.5 2 1 1.5 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss Remains constant Decreases Increases Increases linearly Remains constant Decreases Increases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is HW/2(H + W)² 2HW/(H + W)² HW/4(H + W)² √(HW/π) HW/2(H + W)² 2HW/(H + W)² HW/4(H + W)² √(HW/π) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is Greater in 1 mm dia tube Same in both the tubes Greater in 0.5 mm dia tube Zero in both the tubes Greater in 1 mm dia tube Same in both the tubes Greater in 0.5 mm dia tube Zero in both the tubes ANSWER DOWNLOAD EXAMIANS APP
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