Fluid Mechanics While starting an axial flow pump, its delivery valve should be kept Closed Open Either open or closed None of these Closed Open Either open or closed None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For water, when the pressure increases, the viscosity Also increases Decreases First decreases, and then increases Remains constant Also increases Decreases First decreases, and then increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Can handle slurries more efficiently Are not subject to air binding Can be operated with delivery valve closed Deliver liquid at uniform pressure Can handle slurries more efficiently Are not subject to air binding Can be operated with delivery valve closed Deliver liquid at uniform pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most economical flow control valve for use with large diameter pipes is a Needle valve Butterfly valve None of these Globe valve Needle valve Butterfly valve None of these Globe valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The continuity equation Relates mass flow rate along a stream tube Stipulates that Newton's second law of motion must be satisfied at every point in the fluid Relates work and energy None of these Relates mass flow rate along a stream tube Stipulates that Newton's second law of motion must be satisfied at every point in the fluid Relates work and energy None of these 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 Data insufficient to predict relative pressure drop Increase Decrease Remain unchanged Data insufficient to predict relative pressure drop Increase Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP