Hydraulics and Fluid Mechanics in ME A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is 7 5 1 6 7 5 1 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Some other alterations in the impeller Designing new impeller Not possible Trimming the impeller size to the required size by machining Some other alterations in the impeller Designing new impeller Not possible Trimming the impeller size to the required size by machining ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of viscosity may be determined by Capillary tube method Orifice type viscometer Rotating cylinder method All of these Capillary tube method Orifice type viscometer Rotating cylinder method All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of absolute viscosity to mass density is known as specific viscosity coefficient of viscosity viscosity index kinematic viscosity specific viscosity coefficient of viscosity viscosity index kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of Lower discharge High initial and maintenance cost Lower speed of operation Necessity of air vessel Lower discharge High initial and maintenance cost Lower speed of operation Necessity of air vessel ANSWER DOWNLOAD EXAMIANS APP
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