Hydraulics and Fluid Mechanics in ME The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called reaction metacentre buoyancy upthrust reaction metacentre buoyancy upthrust ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hypersonic flow, the Mach number is greater than unity greater than 4 greater than 2 unity greater than unity greater than 4 greater than 2 unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is [wa (V - v)]/2g [wa (V - v²)]/g [wa (V - v)]/g [wa (V - v)²]/2g [wa (V - v)]/2g [wa (V - v²)]/g [wa (V - v)]/g [wa (V - v)²]/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a depressed nappe The pressure below the nappe is negative The pressure above the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is atmospheric The pressure below the nappe is negative The pressure above the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is atmospheric ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The divergent portion of a Venturimeter is made longer than convergent portion in order to None of these Both (A) and (B) To minimize frictional losses Avoid the tendency of breaking away the stream of liquid None of these Both (A) and (B) To minimize frictional losses Avoid the tendency of breaking away the stream of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is 14π R5/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
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