Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Between 1 and 6 None of these Unity Less than unity Between 1 and 6 None of these Unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to 0.405 + (0.003/H) 0.405 + (H/0.003) 0.003 + (H/0.405) 0.003 + (0.405/H) 0.405 + (0.003/H) 0.405 + (H/0.003) 0.003 + (H/0.405) 0.003 + (0.405/H) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of air __________ with the increase of height from the surface of the earth. Increases None of these Decreases Does not change Increases None of these Decreases Does not change 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) wQHd wQ (Hs + Hd) wQ (Hs - Hd) wQHs wQHd wQ (Hs + Hd) wQ (Hs - Hd) wQHs 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 4.5 kN/m3 10 kN/m3 6 kN/m3 7.5 kN/m3 4.5 kN/m3 10 kN/m3 6 kN/m3 7.5 kN/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice) Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (2/3). Cd × a × h Q = (Cd × a)/√(2gh) Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (2/3). Cd × a × h Q = (Cd × a)/√(2gh) ANSWER DOWNLOAD EXAMIANS APP