Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is √(HW/π) 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 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the All of these Pipe length Fluid velocity in the pipe Time taken to close the valve All of these Pipe length Fluid velocity in the pipe Time taken to close the valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = 0 ∂/∂s = 0 ∂/∂s = constant ∂/∂t = constant ∂/∂t = 0 ∂/∂s = 0 ∂/∂s = constant ∂/∂t = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Increase the discharge Reduce the discharge fluctuation Convert velocity head to pressure head Convert pressure head to velocity head Increase the discharge Reduce the discharge fluctuation Convert velocity head to pressure head Convert pressure head to velocity head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The resistance wire used in a hot wire anemometer for conducting electrical current is made of Chromium Tungsten Aluminium Copper Chromium Tungsten Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The capacity of an accumulator is the maximum Energy which it can store Liquid which it can store None of these Discharge which it can deliver Energy which it can store Liquid which it can store None of these Discharge which it can deliver ANSWER DOWNLOAD EXAMIANS APP