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Fluid Mechanics questions using Bernoulli’s principle

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  • "Ans. 1 (A)For the given control volume, Power of pump, P ? 4 WattThe amount of heat transfer, Q ? 6 WattThe rate of energy transfer?? Power in Power Out ?E ?Q ?W?E ?64 ? ?? E 2 Watt So option () C is correct.Ans. 1(B)Bernoulli’s principle follows th..

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  • "Ans. 1 (A)For the given control volume, Power of pump, P ? 4 WattThe amount of heat transfer, Q ? 6 WattThe rate of energy transfer?? Power in Power Out ?E ?Q ?W?E ?64 ? ?? E 2 Watt So option () C is correct.Ans. 1(B)Bernoulli’s principle follows the conservation of energy, instead of transfer of heat and work flow inthe system. The fluid must be incompressible and inviscid in nature.Thus, option (d) is correct.Ans. 2(a) (b)0 Temperature of the water, TC ? 20 3 Volume of the pipe, V ? 0.1 mApply the continuity principle, the volumetric flow rate at the entry and exit will be same,QQ ? e intry exit (AV ) ? (AV ) entry exit 220.3 0.15 3.14 ? ?1.5 ? 3.14 ? ?V exit 44 V ? 6 m/s exit (c)Equation of force in vertical direction,Force?? P A "

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