FLUID MECHANICS FUNDAMENTALS+APPS
4th Edition
ISBN: 2810022150991
Author: CENGEL
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 1, Problem 42P
A pool of volume V (in m3) is to filled with water using a hose of diameter D (in m). If the average discharge velocity is V (in m/s) and the filling time is t (in s), obtain a relation for the volume of the pool based on unit considerations of quantities involved.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Q2 // A 30 cm diameter pipe, conveying water branches in to two pipes of diameter
20 cm and 15 cm respectively. If the average velocity in the 30 cm diameter
pipe is 2.5 m/s, find the discharge in this pipe (in liters/s).
Determine the velocity in 15 cm pipe if the average velocity in the 20 cm
diameter pipe is 2 m/s (in m/s)
A pool of volume V (in m3) is to be filled with water using a hose of diameter D (in m). If the average discharge velocity is V (in m/s) and the filling time is t (in s), obtain a relation for the volume of the pool based on unit considerations of quantities involved.
The diameter of pipe carrying water changes gradually from 20mm at A to 450mm at B. A is 4.57m lower than B. What will be the difference in pressure,in N/mm2, between A and B, when 0.176cu.m/s is flowing loss of energybeing neglected?
Chapter 1 Solutions
FLUID MECHANICS FUNDAMENTALS+APPS
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...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- The water is flowing through a pipe having diameters 40 cm and 17 cm at sections 1 and 2 respectreely, The rate of flow through pipe is 45 liters / s .The section 1 is 7 m above datum and section 2 is 4.5 m above datum it the pressure at section 1 is 38.5 N /cm2. find the following by neglecting losses find: 1) Area of cross section of section 1 (UNIT in m2) 2) Area of cross section of section 2 (UNIT in m2) 3) Velocity head at section 1 (UNIT in m ) 4) difference in datum head (UNIT in m) 5) pressure at section 1 ( UNIT in N/m2) 6) pressure at section 2 ( UNIT in N/m2)arrow_forwardA liquid (S.D. =2.8 is flowing in a 150mm diameter pipe. The total energy at a given point is found to be 28.5 N-m/N, the elevation of the pipe above the datum is 8m and the pressure in the pipe is 78.8 kPa. Compute the horsepower in the stream at that point.arrow_forward2. For storimg purposes, water is to be moved from one pool to another that is 50 ft above the first one using a pump and an 8-in. inside-diameter pipe. The flow rate of the water is 2.5 ft’/s. There is a loss of available energy as 61 V²/2ft?/s² where Vis the average velocity of water inside the pipe. Determine the amount of shaft power required, in hp.arrow_forward
- 1. Consider the following diagram. The fluid flowing in the pipe is oil (SG = 0.830). The fluid in the manometer is water (SG = 1.00). Water, pw = 1000 kg/m³ 7 cm Oil, p = 830 kg/m³ a. Determine P₂ - P₁ in kPa. b. Determine the direction of flow. (Left to right, or right to left). Explain why this is the case. c. The height of oil between the manometer and the pipe is unknown. Explain how you can still solve the problem without knowing this height. Would this height ever matter? Hint: consider practical issues of design. Could the height be 0 cm? Could it be 1000 cm?arrow_forwardThe volume of air delivered by fan is 14 m^3/sec and 69 mm water gage. The density of air is 1.27 kg/m^3 and the motor power needed to drive the fan is 51 kW. Determine the fan efficiency in % Answer in whole numberarrow_forward... P1 = 50 KPa P2 = 10 KPa 4m OIL 1.6m OIL In the figure, an orifice is locates in the partition wall so that it discharges oil (SG = 0.8) from left to right side of the room. The orifice %3D has a diameter of 100mm and is under the surface of oil, 4m from the surface on the left and 1.6m from the surface on the right. The surface at the left is under 50KPA of pressure and the surface at the right side is under 1OKPA of pressure. Determine the actual discharge in the orifice if C = 0.92 112.03 L/s B 87.63 L/s 95.25 L/s 103.07 L/s No Answer among the choicesarrow_forward
- Find the air horsepower of an industrial fan that delivers 26 cu.m/s of air through a 1 m x 1.2 m duct3; pressure of 127 mm of water; air temperature is 21 C and barometric pressure is 760 mm HG. 43.18 kW 42.62 kW 38.12 kW 39.72 kWarrow_forwardQ2: Water flows through a tube with a diameter of A (mm), and ends with a nozzle in the form of a horizontal bend, changing the direction of flow at an angle of 30°, as shown in the figure, so if the rate of water flow is B (m'/s) out into the atmosphere from the end of the mouth with a diameter of C (mm), determine the vector Horizontal net force required to hold the tube bend in place. C.Varrow_forwardA certain liquid (SG = 12) flows through a 401-mm diameter pipe at a velocity of 6.5 m/s. Find the mass flow rate in kg/s. Round off to the nearest whole number.arrow_forward
- a water tank is being towed by a truck on a level road, the angle free surface makes with the horizontal is measured to be 12 degree. determine the acceleration in m/s^2 of the truckarrow_forwardB: The pump in Fig. Q3B increases the pressure in the water from 200 to 4000 kPa with a flow rate of 0.1 m³/s? The electric power of motor 275 kW. Determine the mechanical efficiency of the pump and overall efficiency pump/motor unit when the motor efficiency is 90 percent. Fig. Q3B 50 mm Pump 100 mm Water Motorarrow_forwardA pump is installed in a pipe system, where at the suction side 1.0 m below the pump, an open manometer reads a vacuum of 20 cm of mercury. The pipe is 10 cm in diameter and the flow is 35 L/s of water. Find the total energy at the location of the manometer, relative to a datum, through the pump.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
Hydronics Step by Step; Author: Taco Comfort Solutions;https://www.youtube.com/watch?v=-XGNl9kppR8;License: Standard Youtube License