Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Unity Between 1 and 6 None of these Less than unity Unity Between 1 and 6 None of these Less than unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity. IG sin²θ/Ax̅ below IG sinθ/Ax̅ below IG sin²θ/Ax̅ above IG sinθ/Ax̅ above IG sin²θ/Ax̅ below IG sinθ/Ax̅ below IG sin²θ/Ax̅ above IG sinθ/Ax̅ above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel of radius (r) containing liquid is revolved about its vertical axis ω rad/s, then depth of parabola which the liquid assumes is ω.r/2g ω.r/4g ω².r²/2g ω².r²/4g ω.r/2g ω.r/4g ω².r²/2g ω².r²/4g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be less than 1 m/sec 2 m/sec 1 m/sec 1.5 m/sec less than 1 m/sec 2 m/sec 1 m/sec 1.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch) (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The center of pressure of a surface subjected to fluid pressure is the point on the surface at which resultant pres-sure acts on the surface at which gravitational force acis similar to metacentre at which all hydraulic forces meet on the surface at which resultant pres-sure acts on the surface at which gravitational force acis similar to metacentre at which all hydraulic forces meet ANSWER DOWNLOAD EXAMIANS APP
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