Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Specific weight of water in S.I. units is equal to 9.81 xlO6 N/m3 9.81 xlO3 N/m3 1000 N/m3 10000 N/m3 9.81 xlO6 N/m3 9.81 xlO3 N/m3 1000 N/m3 10000 N/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will increase remain unaffected may increase or decrease depending on the characteristics of liquid decrease increase remain unaffected may increase or decrease depending on the characteristics of liquid decrease ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Liquids transmit pressure equally in all the directions. This is according to Archimedes principle Pascal's law Boyle's law Newton's formula Archimedes principle Pascal's law Boyle's law Newton's formula ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of the fluid on an immersed body is called center of pressure all the above are correct buoyancy upthrust center of pressure all the above are correct buoyancy upthrust ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηh = ηo × ηm None of these ηo = ηh × ηm ηm = ηm × ηh ηh = ηo × ηm None of these ηo = ηh × ηm ηm = ηm × ηh ANSWER DOWNLOAD EXAMIANS APP
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