Hydraulics and Fluid Mechanics in ME An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice. More than three times Less than three times More than twice Less than twice More than three times Less than three times More than twice Less than twice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME All the terms of energy in Bernoulli’s equation have dimension of length mass energy work length mass energy work ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.40 cm 0.05 cm 0.20 cm 0.10 cm 0.40 cm 0.05 cm 0.20 cm 0.10 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called sub-sonic, if the Mach number is More than 6 Unity Between 1 and 6 Less than unity More than 6 Unity Between 1 and 6 Less than unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is V1 / (V1 - V2) V1² / (V1² - V2²) (V1 - V2) / V1 (V1² - V2²) / V1² V1 / (V1 - V2) V1² / (V1² - V2²) (V1 - V2) / V1 (V1² - V2²) / V1² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The liquid used in manometers should have High density Low density Low surface tension High surface tension High density Low density Low surface tension High surface tension ANSWER DOWNLOAD EXAMIANS APP
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