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 Impulse turbine is generally fitted At the level of tail race Little above the tail race Slightly below the tail race About 2.5 m above the tail race to avoid cavitations At the level of tail race Little above the tail race Slightly below the tail race About 2.5 m above the tail race to avoid cavitations ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Hm Q) / ηo (w Q) / (Hm × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a Notch Weir Nozzle Mouthpiece Notch Weir Nozzle Mouthpiece ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to 10 kg 1 kg 1000 kg 100 kg 10 kg 1 kg 1000 kg 100 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is At the centre of gravity Above the centre of gravity Below be centre of gravity Could be above or below e.g. depending on density of body and liquid At the centre of gravity Above the centre of gravity Below be centre of gravity Could be above or below e.g. depending on density of body and liquid ANSWER DOWNLOAD EXAMIANS APP
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