Hydraulics and Fluid Mechanics in ME The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s) w × Q × hf w × Q × H w × Q (H + hf) w × Q (H - hf) w × Q × hf w × Q × H w × Q (H + hf) w × Q (H - hf) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The absolute pressure is equal to Gauge pressure - vacuum pressure Atmospheric pressure - gauge pressure Gauge pressure + atmospheric pressure Gauge pressure - atmospheric pressure Gauge pressure - vacuum pressure Atmospheric pressure - gauge pressure Gauge pressure + atmospheric pressure Gauge pressure - atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be 3 metres of water column 3.5 metres of water column 4 m of water column 2 metres of water column 3 metres of water column 3.5 metres of water column 4 m of water column 2 metres of water column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The equation of continuity holds good when the flow is one dimensional velocity is uniform at all the cross sec-tions is steady All of these is one dimensional velocity is uniform at all the cross sec-tions is steady All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Cube of fan speed Square of fan speed Square root of fan speed Directly as fan speed Cube of fan speed Square of fan speed Square root of fan speed Directly as fan speed 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)1/5 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/4 ANSWER DOWNLOAD EXAMIANS APP
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