Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/2 × breadth 1/2 × sloping side 1/2 × depth 1/4 × (depth + breadth) 1/2 × breadth 1/2 × sloping side 1/2 × depth 1/4 × (depth + breadth) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed of a turbine runner is Inversely proportional to H1/2 Directly proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of a liquid particle in motion is equal to Pressure energy - (kinetic energy + potential energy) Potential energy - (pressure energy + kinetic energy Pressure energy + kinetic energy + potential energy Kinetic energy - (pressure energy + potential energy) Pressure energy - (kinetic energy + potential energy) Potential energy - (pressure energy + kinetic energy Pressure energy + kinetic energy + potential energy Kinetic energy - (pressure energy + potential energy) 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
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 of fan speed Square root of fan speed Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of a gas decreases with increase in temperature increases with increase in temperature is independent of temperature is independent of pressure for very high pressure intensities decreases with increase in temperature increases with increase in temperature is independent of temperature is independent of pressure for very high pressure intensities ANSWER DOWNLOAD EXAMIANS APP
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