Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.26 0.36 0.56 0.46 0.26 0.36 0.56 0.46 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc 10 kg 1 kg 1000 kg 100 kg 10 kg 1 kg 1000 kg 100 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of motion Newton's law of resistance Newton's law of viscosity Newton's law of cooling Newton's law of motion Newton's law of resistance Newton's law of viscosity Newton's law of cooling ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic similarity is said to exist between the model and the prototype, if both of them None of these Are equal in size and shape Are identical in shape, but differ only in size Have identical velocities None of these Are equal in size and shape Are identical in shape, but differ only in size Have identical velocities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Sixteen times Four times Eight times Double Sixteen times Four times Eight times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe) flv²/gd flv²/2gd 3flv²/2gd 4flv²/2gd flv²/gd flv²/2gd 3flv²/2gd 4flv²/2gd ANSWER DOWNLOAD EXAMIANS APP
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