Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is HB/2(H + B) 4HB/(H + B) HB/(H + B) 2HB/(H + B) HB/2(H + B) 4HB/(H + B) HB/(H + B) 2HB/(H + B) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small. Electrical resistivity Electrical conductivity Specific gravity Thermal conductivity Electrical resistivity Electrical conductivity Specific gravity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Are not subject to air binding Can be operated with delivery valve closed Can handle slurries more efficiently Deliver liquid at uniform pressure Are not subject to air binding Can be operated with delivery valve closed Can handle slurries more efficiently Deliver liquid at uniform pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Opened Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Closed Opened Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Closed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unsteady uniform flow is represented by flow through a/an Long pipe at constant rate Expanding tube at constant rate Expanding tube at increasing rate Long pipe at decreasing rate Long pipe at constant rate Expanding tube at constant rate Expanding tube at increasing rate Long pipe at decreasing rate 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 Decreases Increases Increases linearly Remains constant Decreases Increases Increases linearly Remains constant ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS