Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is √(HW/π) HW/4(H + W)² 2HW/(H + W)² HW/2(H + W)² √(HW/π) HW/4(H + W)² 2HW/(H + W)² HW/2(H + W)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost are P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet. P, Q and R P, Rand S R and S P and R P, Q and R P, Rand S R and S P and R ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics __________ is an example of axial flow impeller. Paddle Turbine Propeller All of these Paddle Turbine Propeller All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is 10√2π 5√2π 5π/√2 5π/2 10√2π 5√2π 5π/√2 5π/2 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 Increase Data insufficient to predict relative pressure drop Decrease Remain unchanged Increase Data insufficient to predict relative pressure drop Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid. Bingham plastic Dilatent Newtonion Pseudoplastic Bingham plastic Dilatent Newtonion Pseudoplastic ANSWER DOWNLOAD EXAMIANS APP
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