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 HW/4(H + W)² 2HW/(H + W)² √(HW/π) HW/2(H + W)² HW/4(H + W)² 2HW/(H + W)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Transition from laminar flow to turbulent flow is aided by the All of these Vibration Surface roughness and curvature (i.e.sharp corners) Pressure gradient and the compressibility of the flowing medium All of these Vibration Surface roughness and curvature (i.e.sharp corners) Pressure gradient and the compressibility of the flowing medium ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A differential pressure cell is used for Measuring small pressure difference in liquids Measuring the difference of the impact & the static pressure Measuring small pressure difference in gases Remote recording of pressure difference Measuring small pressure difference in liquids Measuring the difference of the impact & the static pressure Measuring small pressure difference in gases Remote recording of pressure difference ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 100 10 1000 2000 100 10 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Terminal velocity is None of these A constant velocity with no acceleration A fluctuating velocity Attained after moving one-half of total distance None of these A constant velocity with no acceleration A fluctuating velocity Attained after moving one-half of total distance ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A piezometer opening measures the __________ fluid pressure. Total Undisturbed Dynamic Static Total Undisturbed Dynamic Static ANSWER DOWNLOAD EXAMIANS APP
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