Hydraulics and Fluid Mechanics in ME When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as Broad-crested weir Narrow-crested weir Ogee weir Submerged weir Broad-crested weir Narrow-crested weir Ogee weir Submerged weir ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is None of these ηh = ηo × ηm ηo = ηh × ηm ηm = ηm × ηh None of these ηh = ηo × ηm ηo = ηh × ηm ηm = ηm × ηh ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Slip of a reciprocating pump is negative, when Suction pipe is long and delivery pipe is short and the pump is running at high speeds Suction pipe is short and pump is running at low speeds Delivery pipe is long and pump is running at high speeds Suction pipe is short and delivery pipe is long and the pump is running at low speeds Suction pipe is long and delivery pipe is short and the pump is running at high speeds Suction pipe is short and pump is running at low speeds Delivery pipe is long and pump is running at high speeds Suction pipe is short and delivery pipe is long and the pump is running at low speeds ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is Medium speed with radial flow at outlet High speed with mixed flow at outlet High speed with radial flow at outlet Slow speed with radial flow at outlet Medium speed with radial flow at outlet High speed with mixed flow at outlet High speed with radial flow at outlet Slow speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of viscosity is Newton-sec per meter² kg-sec/meter Newton-sec per meter Meters² per sec Newton-sec per meter² kg-sec/meter Newton-sec per meter Meters² per sec ANSWER DOWNLOAD EXAMIANS APP
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