Hydraulics and Fluid Mechanics in ME The atmospheric pressure with rise in altitude decreases first steeply and then gradually unpredictable linearly first slowly and then steeply first steeply and then gradually unpredictable linearly first slowly and then steeply ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Smoothen flow Increase pump efficiency Reduce acceleration to minimum Save pump from cavitations Smoothen flow Increase pump efficiency Reduce acceleration to minimum Save pump from cavitations 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)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 ANSWER DOWNLOAD EXAMIANS APP
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 For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal ratio of inertial force to force due to gravitation all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to surface tension ratio of inertial force to force due to viscosity ratio of inertial force to force due to gravitation all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to surface tension ratio of inertial force to force due to viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A pressure of 25 m of head of water is equal to 2500 kN/m2 245 kN/m2 2.5 kN/m2 25 kN/m2 2500 kN/m2 245 kN/m2 2.5 kN/m2 25 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS