Hydraulics and Fluid Mechanics in ME In a free nappe, The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Liquids transmit pressure equally in all the directions. This is according to Archimedes principle Newton's formula Pascal's law Boyle's law Archimedes principle Newton's formula Pascal's law Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQ (Hs - Hd) wQ (Hs + Hd) wQHs wQHd wQ (Hs - Hd) wQ (Hs + Hd) wQHs wQHd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is More than 2800 Less than 2000 None of these Between 2000 and 2800 More than 2800 Less than 2000 None of these Between 2000 and 2800 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The magnitude of water hammer depends upon the Speed at which the valve is closed Elastic properties of the pipe material Elastic properties of the liquid flowing through the pipe All of these Speed at which the valve is closed Elastic properties of the pipe material Elastic properties of the liquid flowing through the pipe All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal ratio of inertial force to force due to gravitation ratio of inertial force to force due to viscosity all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to surface tension ratio of inertial force to force due to gravitation ratio of inertial force to force due to viscosity all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to surface tension ANSWER DOWNLOAD EXAMIANS APP
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