Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Directly as fan speed Square root of fan speed Square of fan speed Cube of fan speed Directly as fan speed Square root of fan speed Square of fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Working principle of dead weight pressure gauge tester is based on Avogadro’s hypothesis Dalton’s law of partial pressure Newton’s law of viscosity Pascal’s law Avogadro’s hypothesis Dalton’s law of partial pressure Newton’s law of viscosity Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water 52.2 cm 50 cm 52 cm 51 cm 52.2 cm 50 cm 52 cm 51 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One liter of water occupies a volume of 250 cm3 100 cm3 500 cm3 1000 cm3 250 cm3 100 cm3 500 cm3 1000 cm3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bernoulli's equation Z - p/w - v²/2g = constant Z + p/w - v²/2g = constant Z + p/w + v²/2g = constant Z - p/w + v²/2g = constant Z - p/w - v²/2g = constant Z + p/w - v²/2g = constant Z + p/w + v²/2g = constant Z - p/w + v²/2g = constant ANSWER DOWNLOAD EXAMIANS APP
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