Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The available head of liquid is more than 5 times the height of orifice The size of orifice is large The velocity of flow is large The available head of liquid is less than 5 times the height of orifice The available head of liquid is more than 5 times the height of orifice The size of orifice is large The velocity of flow is large The available head of liquid is less than 5 times the height of orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 2.5 and 4 1 and 6 4 and 6 1 and 2.5 2.5 and 4 1 and 6 4 and 6 1 and 2.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is 0.0611 stoke 0.0116 stoke 0.116 stoke 0.611 stoke 0.0611 stoke 0.0116 stoke 0.116 stoke 0.611 stoke ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is less than unity, the flow is called Sub-sonic flow Sonic flow Super-sonic flow Hyper-sonic flow Sub-sonic flow Sonic flow Super-sonic flow Hyper-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The equation of continuity holds good when the flow velocity is uniform at all the cross sec-tions is one dimensional All of these is steady velocity is uniform at all the cross sec-tions is one dimensional All of these is steady ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) ANSWER DOWNLOAD EXAMIANS APP