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. Sump Piston Gear Positive displacement Sump Piston Gear Positive displacement ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most economical flow control valve for use with large diameter pipes is a Butterfly valve None of these Globe valve Needle valve Butterfly valve None of these Globe valve Needle valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following produces maximum pressure difference for transportation of gases? Fans Compressors Vaccum pumps Blowers Fans Compressors Vaccum pumps Blowers ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Design of the casing of centrifugal pump should be such as to minimise the Loss of static head Back flow through impeller Loss of kinetic head None of these Loss of static head Back flow through impeller Loss of kinetic head None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor). Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ANSWER DOWNLOAD EXAMIANS APP