Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Square of fan speed Directly as fan speed Cube of fan speed Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed Square root of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity increases with pressure has the dimensions of 1/pressure is large when fluid is more compressible is independent of pressure and viscosity increases with pressure has the dimensions of 1/pressure is large when fluid is more compressible is independent of pressure and viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Decreases Remain unaffected Increases Unpredictable Decreases Remain unaffected Increases Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length of a liquid stream while flowing over a weir __________ at the ends of the sill. Does not change Expands Contracts None of these Does not change Expands Contracts None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 1.855 aH.√(2g) 1.585 a.√(2gH) 5.85 aH.√(2g) 0.855 a.√(2gH) 1.855 aH.√(2g) 1.585 a.√(2gH) 5.85 aH.√(2g) 0.855 a.√(2gH) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/2 L/4 L L/3 L/2 L/4 L L/3 ANSWER DOWNLOAD EXAMIANS APP
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