Fluid Mechanics: Fundamentals and Applications
4th Edition
ISBN: 9781259696534
Author: Yunus A. Cengel Dr., John M. Cimbala
Publisher: McGraw-Hill Education
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Chapter 1, Problem 34P
While solving a problem, a person ends up with equation
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A liquid of specific gravity of 1.75 flows in a 6 cm horizontal pipe. The total energy at certain point in the flow is 80 J/N (joules/newton). The elevation of the pipe above the fixed datum is 2.6 m. If the pressure is 75 kPa. Determine the power available at the specified point in kW.(WITH FREE BODY DIAGRAM)
CHOICES:
A.148.91
B.146.96
C.142.25
D.144.22
9. A 14.5 liters of gas at a pressure of 1720 kN/m2 is contained in the cylinder. It was expanded at constant pressure until its volume becomes 130.5 liters. Determine the work done by the gas. Derive with the formula below, show the cancellation, explain the step by step and draw a free body diagram/figure.
refer with this:
PE1 + KE1 + U1 + WF1 + Q1 + W1 = PE2 + KE2 + U2 + WF2 + Q2 + W2 + E losses.
Kelvin Planck's law deals with
A. conservation of heat
B. conversion of work into heat
C. conservation of work
D. conversion of heat into work
Chapter 1 Solutions
Fluid Mechanics: Fundamentals and Applications
Ch. 1 - What is a fluid? How does it differ from a solid?...Ch. 1 - Define internal, external, and open-channel flows.Ch. 1 - Define incompressible flow and in compressible...Ch. 1 - Consider the flow of air over the wings of an...Ch. 1 - What is forced flow? How does it differ from...Ch. 1 - How is the Mach number of a flow defined? That...Ch. 1 - When an airplane is flying at a constant speed...Ch. 1 - Consider the flow of air at a Mach number of 0.12....Ch. 1 - What is the no-slip condition? What causes it?Ch. 1 - What is a boundary layer? What causes a boundary...
Ch. 1 - What is a steady-flow process?Ch. 1 - Define stress, normal stress, shear stress, and...Ch. 1 - What are system, surroundings, and boundary?Ch. 1 - When analyzing the acceleration of gases as they...Ch. 1 - When is a system a closed system, and when is it a...Ch. 1 - You are to understand how a reciprocating air...Ch. 1 - What is the difference between pound-mass and...Ch. 1 - In a news ankle, is stated that a recently...Ch. 1 - Explain why the light-year has the dimension of...Ch. 1 - What is the net force acting on a car cruising at...Ch. 1 - A man goes to a traditional market to buy a steak...Ch. 1 - What is the weight, in N, of an object with a mass...Ch. 1 - What is the weight of a 1-kg substance in N,...Ch. 1 - Determine the mass and the weight of the air...Ch. 1 - A 3-kW resistance heater a water beater...Ch. 1 - A195-Ibm astronaut took his bathroom scale (a...Ch. 1 - The acceleration of high-speed aircraft sometimes...Ch. 1 - A 10-kg rock is thrown upward with a force of 280...Ch. 1 - The value of the gravitational acceleration g...Ch. 1 - At 45° latitude: the gravitational acceleration as...Ch. 1 - 1-32 The gravitational constant g is 9.807m/s2 at...Ch. 1 - On average, an adult person breathes in about 7.0...Ch. 1 - While solving a problem, a person ends up with...Ch. 1 - An airplane flies horizontally at 70m/s . Its...Ch. 1 - If the airplane of Prob. 1-35 weighs 17 lbf,...Ch. 1 - The boom of a fire truck raises a fireman (and his...Ch. 1 - A 6-kg plastic tank that has a volume of 0.18m3 is...Ch. 1 - Water at 15°C from a garden hose fills a 1.5 L...Ch. 1 - A forklift raises a 90.5 kg crate 1.80 m. (a)...Ch. 1 - The gas tank of a car is filled with a nozzle that...Ch. 1 - A pool of volume V (in m3) is to filled with water...Ch. 1 - Based on unit considerations alone, show that the...Ch. 1 - What is the importance of modeling in engineering?...Ch. 1 - What is the difference between the analytical and...Ch. 1 - When modeling an engineering process, how is the...Ch. 1 - What is the difference between precision and...Ch. 1 - How do the differential equations in the study of...Ch. 1 - What is the value of the engineering software...Ch. 1 - The weight of bodies may change somewhat from one...Ch. 1 - The reactive force developed by a jet to push an...Ch. 1 - An important design consideration in two-phase...Ch. 1 - Consider the flow of air through a wind turbine...Ch. 1 - A tank is filled with oil whose density is =850...Ch. 1 - If mass, heat, and work are not allowed to cross...Ch. 1 - The speed of an aircraft is given to be 260 m/s in...Ch. 1 - One J/kg is equal to (a) 1kPam3 (b) 1kNm/kg (c)...Ch. 1 - Which is a unit for power? (a) Btu (b) kwh (c)...Ch. 1 - The speed of an aircraft is given to be 950 km/h....Ch. 1 - The weight of a 10-kg mass at sea level is (a)...Ch. 1 - The weight of a 1 -Ibm mass is (a) 1Ibmft/s2 (b)...Ch. 1 - A hydroelectric power plant operates at its rated...Ch. 1 - Write an essay on the various mass- and...Ch. 1 - Search the Internet to find out how to properly...Ch. 1 - Another unit is kgf, which is a force unit used...Ch. 1 - Discuss why pressure tests of pressurized tanks...
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- During an experimental test, gas in a cylinder undergoes an expansion and moves a piston. Pressure and volume data taken during the test is given in the table below. Find the thermodynamic work performed by the gas in the cylinder in the process of expanding from a volume of 0.50 liters to 1.20 liters. Use all of the data in the table in calculating the work. Volume (liters) Pressure (kPa) 0.50 1400 0.60 1090 0.70 875 0.80 725 0.90 615 1.00 560 1.10 525 1.20 500arrow_forwardIn a power plant operating with water and steam, the following measurements and observations were done at various stages along the system. the pressure is 150 kPa and the enthalpy, h is 1580.115 (kJ/kg) For this case, the specific vvolume is most likely: 0.001070 2.01302 1.1594 0.5802 0.001053arrow_forwardA liquid of specific gravity of 1.75 flows in a 6 cm horizontal pipe. The total energy at certain point in the flow is 80 J/N (joules/newton). The elevation of the pipe above the fixed datum is 2.6 m. If the pressure is 75 kPa. Determine the power available at the specified point in kW. A. 148.91 B. 144.22 C. 142.25 D. 146.96 With F.B.Darrow_forward
- A liquid of specific gravity of 1.75 flows in a 6 cm horizontal pipe. The total energy at certain point in the flow is 80 J/N (joules/newton). The elevation of the pipe above the fixed datum is 2.6 m. If the pressure is 75 kPa. Determine the power available at the specified point in kW. include your free body diagram A.148.91 B.142.25 C.144.22 D.146.96arrow_forward1. The mean effective pressure of an engine running at 300 rpm is 500 kPa. What is the indicatedpower if the engine has bore of 250 mm x 450 mm. Select the correct answer below: A. 110.5 kW B. 150 kW C. 200 kW D. 182. 2 kW 2. In a certain process, entering is 1500 KJ/kg and 150 m/s. If the energy leaving is 12000 Kj/kg/ Determine the velocity at exit. Select the correct answer below: A.) 145 m/s B. 1020 m/s C. 789 m/s D. 978 m/sarrow_forwardThere are four additive terms in an equation, and their units are given below. Which one is not consistent with this equation? (a) J (b) W/m (c) kg·m2/s2 (d) Pa·m3 (e) N·marrow_forward
- For adiabatic process, pressure before and after the process are 8000 kN/m2 and 2 bar respectively. The volume before and after the process are 4000 mm3 and 40 cm3 respectively. Then the adiabatic index is ____________ A. 3.4 B. None of the answers given C. 1.4 D. 2.4arrow_forwardA 5 kW electric motor driving a pump has an efficiency of 85%. Determine the losses encountered in the driver. a. 2500 kJ/hr b. 48.00 kJ/min c. 0.78 kW d. 2700 kJ/hrarrow_forwardOne J/kg is equal to (a) 1 kPa ⋅ m3 (b) 1 kN ⋅ m/kg (c) 0.001 kJ (d) 1 N ⋅ m (e) 1 m2/s2arrow_forward
- The density of a fluid 1decreases by 3 percent at constant pressure when its temperature increases by 10°C. The coefficient of volume expansion of this fluid is (a) 0.03 K−1 (b) 0.003 K−1 (c) 0.1 K−1 (d ) 0.5 K−1 (e) 3 K−1arrow_forwardA spring is compressed by 0.05 in for every 1 lbf of applied force. Determine the deflection of the same spring when the applied forces is 6.5 lbm .Let go= 32.0 ft/s2arrow_forwardA liquid of specific gravity of 1.75 flows in a 6 cm horizontal pipe. The total energy at a certain point in the flow is 80 J/N (joules/newton). The elevation of the pipe above the fixed datum is 2.6 m. If the pressure is 75 kPa. Determine the power available at the specified point in kW. Include the diagram in your solution. A.146.96 B.142.25 C.144.22 D.148.91arrow_forward
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