11–127 A 0.8-m-outer-diameter spherical tank is completely submerged in a flowing water stream at a velocity of Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 127 Problem 11-127
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11–124 Water at 108C flows over a 1.1-m-long flat plate with a velocity of 0.55 m/s. If the width of the plate is Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 124 Problem 11-124
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11–125 Water at 108C flows over a 3.75-m-long flat plate with a velocity of 1.15 m/s. If the width of the plate is 6.5 m, calculate the average friction coefficient over the entire plate. (Water properties at 108C are: r 5 999.7 kg/m3, m 5 1.307 3 1023 kg/m·s.) (a) 0.00508 (b) 0.00447 (c) 0.00302 (d ) 0.00367 Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 125 Problem 11-125
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11–123 The turbulent boundary layer can be considered to consist of four regions. Which choice is not one of them? Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 123 Problem 11-123
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11–122 The region of flow trailing the body where the effects of the body are felt is called (a) Wake (b) Separated region (c) Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 122 Problem 11-122
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11–120 A person is driving his motorcycle at a speed of 110 km/h in air at 208C. The frontal area of the motorcycle Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 120 Problem 11-120
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11–121 The manufacturer of a car reduces the drag coefficient of the car from 0.38 to 0.33 as a result of some modifications in its shape and design. If, on average, the Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 121 Problem 11-121
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11–119 A car is moving at a speed of 70 km/h in air at 208C. The frontal area of the car is 2.4 m2. If the drag force Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 119 Problem 11-119
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11–117 Which quantities are physical phenomena associated with fluid flow over bodies? I. Drag force acting on automobile Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 117 Problem 11-117
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11–118 The sum of the components of the pressure and wall shear forces in the direction normal to the flow is called Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 118 Problem 11-118
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