Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg - hf H = Hg/hf H = Hg + hf H = Hg × hf H = Hg - hf H = Hg/hf H = Hg + hf H = Hg × hf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is 9.28 kN 28.9 kN 8.29 kN 2.89 kN 9.28 kN 28.9 kN 8.29 kN 2.89 kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain. Directly proportional Equal to None of these Inversely proportional Directly proportional Equal to None of these Inversely proportional ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Specific speed for reaction turbines ranges from 80 to 200 250 to 300 10 to 100 0 to 4.5 80 to 200 250 to 300 10 to 100 0 to 4.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called sub-sonic, if the Mach number is Less than unity Between 1 and 6 Unity More than 6 Less than unity Between 1 and 6 Unity More than 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 x (225)3/2 minutes 4 minutes 4 x V225 minutes 4 (225)1/3 minutes 4 x (225)3/2 minutes 4 minutes 4 x V225 minutes 4 (225)1/3 minutes ANSWER DOWNLOAD EXAMIANS APP
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