Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Less than unity Between 1 and 6 None of these Unity Less than unity Between 1 and 6 None of these Unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The liquid used in manometers should have High density High surface tension Low density Low surface tension High density High surface tension Low density Low surface tension 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 R1/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure acts __________ the centre of gravity of immersed surface. Below None of these At Above Below None of these At Above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is 7.5 kN/m3 6 kN/m3 4.5 kN/m3 10 kN/m3 7.5 kN/m3 6 kN/m3 4.5 kN/m3 10 kN/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME To avoid an interruption in the flow of a syphon, an air vessel is provided at the outlet at the inlet ay nay point between inlet and outlet at the summit at the outlet at the inlet ay nay point between inlet and outlet at the summit ANSWER DOWNLOAD EXAMIANS APP
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