Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of High initial and maintenance cost Necessity of air vessel Lower speed of operation Lower discharge High initial and maintenance cost Necessity of air vessel Lower speed of operation Lower discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is 800 kg/m3 600 kg/m3 200 kg/m3 400 kg/m3 800 kg/m3 600 kg/m3 200 kg/m3 400 kg/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is Medium speed with radial flow at outlet High speed with mixed flow at outlet Slow speed with radial flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet High speed with mixed flow at outlet Slow speed with radial flow at outlet High speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total head of a liquid particle in motion is equal to Pressure head - (kinetic head + potential head) Kinetic head - (pressure head + potential head) Pressure head + kinetic head + potential head Potential head - (pressure head + kinetic head) Pressure head - (kinetic head + potential head) Kinetic head - (pressure head + potential head) Pressure head + kinetic head + potential head Potential head - (pressure head + kinetic head) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch) (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an example of laminar flow? Flow of oil in measuring instruments Flow past tiny bodies Underground flow All of these Flow of oil in measuring instruments Flow past tiny bodies Underground flow All of these ANSWER DOWNLOAD EXAMIANS APP
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