CONNECT FOR THERMODYNAMICS: AN ENGINEERI
9th Edition
ISBN: 9781260048636
Author: CENGEL
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 1.11, Problem 79P
Repeat Prob. 1–78 for a gage pressure of 40 kPa.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
1-53 The water in a tank is pressurized by air, and the pres-
sure is measured by a multifluid manometer as shown in
Fig. PI-53. Determine the gage pressure of air in the tank if
h = 0.2 m, h, = 0.3 m, and h, = 0.46 m. Take the densities
of water, oil, and mercury to be 1000 kg/m'. 850 kg/m, and
13.600 kg/m, respectively.
Oil
Aic
Mercuty
FIGURE P1-53
Scanned with CamScanner
at a aeptn oI Y m.
at uic UL
1-56 The absolute pressure in water at a depth of 5 m is
read to be 145 kPa. Determine (a) the local atmospheric pres-
sure, and (b) the absolute pressure at a depth of 5 m in a liq-
uid whose specifc gravity is 0.85 at the same location.
Neglectin
eration,
average
1-64
Scanned with CamScanner
D
FIGURE P1-58E
1-59 The piston diameters in Fig. Pl-58E are D, = 10 cm
and D, = 4 cm. When the pressure in chamber 2 is 2000 kPa
and the pressure in chamber 3 is 700 kPa, what is the pres-
1-53 The water in a tank is pressurized by air, and the pres-
sure is measured by a multifluid manometer as shown in
Fig. Pl-53. Determine the gage pressure of air in the tank if
h = 0.2 m, hy = 0.3 m, and h, = 0.46 m. Take the densities
of water, oil, and mercury to be 1000 kg/m', 850 kg/m, and
13,600 kg/m', respectively.
Oil
Aic
Water
Mercury
FIGURE P1-53
Scanned with CamScanner
at a deptn o1 Y m.
A frictionless piston-cylinder device contains 100 kg
of saturated liquid refrigerant-134a. If the piston's
mass exerts a pressure of 600 kPa on the refrigerant,
the volume (liters) of refrigerant-134a in the piston is
Select one:
0.819
81.99
0.167
167
Chapter 1 Solutions
CONNECT FOR THERMODYNAMICS: AN ENGINEERI
Ch. 1.11 - The value of the gravitational acceleration g...Ch. 1.11 - One of the most amusing things a person can...Ch. 1.11 - An office worker claims that a cup of cold coffee...Ch. 1.11 - What is the difference between the classical and...Ch. 1.11 - Explain why the light-year has the dimension of...Ch. 1.11 - What is the difference between pound-mass and...Ch. 1.11 - What is the net force acting on a car cruising at...Ch. 1.11 - What is the weight, in N, of an object with a mass...Ch. 1.11 - If the mass of an object is 10 lbm, what is its...Ch. 1.11 - The acceleration of high-speed aircraft is...
Ch. 1.11 - The value of the gravitational acceleration g...Ch. 1.11 - A 3-kg plastic tank that has a volume of 0.2 m3 is...Ch. 1.11 - A 2-kg rock is thrown upward with a force of 200 N...Ch. 1.11 - Solve Prob. 113 using appropriate software. Print...Ch. 1.11 - A 4-kW resistance heater in a water heater runs...Ch. 1.11 - A 150-lbm astronaut took his bathroom scale (a...Ch. 1.11 - The gas tank of a car is filled with a nozzle that...Ch. 1.11 - How would you define a system to determine the...Ch. 1.11 - A large fraction of the thermal energy generated...Ch. 1.11 - A can of soft drink at room temperature is put...Ch. 1.11 - How would you define a system to determine the...Ch. 1.11 - How would you describe the state of the air in the...Ch. 1.11 - What is the difference between intensive and...Ch. 1.11 - The specific weight of a system is defined as the...Ch. 1.11 - Is the number of moles of a substance contained in...Ch. 1.11 - Is the state of the air in an isolated room...Ch. 1.11 - What is a quasi-equilibrium process? What is its...Ch. 1.11 - Define the isothermal, isobaric, and isochoric...Ch. 1.11 - What is specific gravity? How is it related to...Ch. 1.11 - What are the ordinary and absolute temperature...Ch. 1.11 - Consider an alcohol and a mercury thermometer that...Ch. 1.11 - Consider two dosed systems A and B. System A...Ch. 1.11 - Consider a system whose temperature is 18C....Ch. 1.11 - Steam enters a heat exchanger at 300 K. What is...Ch. 1.11 - The temperature of a system rises by 130C during a...Ch. 1.11 - The temperature of a system drops by 45F during a...Ch. 1.11 - The temperature of the lubricating oil in an...Ch. 1.11 - Heated air is at 150C. What is the temperature of...Ch. 1.11 - What is the difference between gage pressure and...Ch. 1.11 - Explain why some people experience nose bleeding...Ch. 1.11 - A health magazine reported that physicians...Ch. 1.11 - Someone claims that the absolute pressure in a...Ch. 1.11 - Consider two identical fans, one at sea level and...Ch. 1.11 - The absolute pressure in a compressed air tank is...Ch. 1.11 - A manometer measures a pressure difference as 40...Ch. 1.11 - A vacuum gage connected to a chambee reads 35 kPa...Ch. 1.11 - The maximum safe air pressure of a tire is...Ch. 1.11 - A pressure gage connected to a tank reads 50 psi...Ch. 1.11 - A pressure gage connected to a tank reads 500 kPa...Ch. 1.11 - A 200-pound man has a total foot imprint area of...Ch. 1.11 - The gage pressure in a liquid at a depth of 3 m is...Ch. 1.11 - The absolute pressure in water at a depth of 9 m...Ch. 1.11 - Consider a 1.75-m-tall man standing vertically in...Ch. 1.11 - The barometer of a mountain hiker reads 750 mbars...Ch. 1.11 - The basic barometer can be used to measure the...Ch. 1.11 - A gas is contained in a vertical, frictionless...Ch. 1.11 - Reconsider Prob. 158. Using appropriate software,...Ch. 1.11 - The piston of a vertical piston-cylinder device...Ch. 1.11 - Both a gage and a manometer are attached to a gas...Ch. 1.11 - Reconsider Prob. 161. Using appropriate software,...Ch. 1.11 - A manometer containing oil ( = 850 kg/m3) is...Ch. 1.11 - A manometer is used to measure the air pressure in...Ch. 1.11 - A mercury manometer ( = 13.600 kg/m3) is connected...Ch. 1.11 - Repeat Prob. 165 for a differential mercury height...Ch. 1.11 - The pressure in a natural gas pipeline is measured...Ch. 1.11 - Repeat Prob. 167E by replacing air with oil with a...Ch. 1.11 - Blood pressure is usually measure by wrapping a...Ch. 1.11 - The maximum blood pressure in the upper arm of a...Ch. 1.11 - Consider a U-tube whose arms are open to the...Ch. 1.11 - Consider a double-fluid manometer attached to an...Ch. 1.11 - Calculate the absolute pressure. P1, of the...Ch. 1.11 - Consider the manometer in Fig. 173. If the...Ch. 1.11 - Consider the manometer in Fig. 173. If the...Ch. 1.11 - The hydraulic lift in a car repair shop has an...Ch. 1.11 - Consider the system shown in Fig. 177. If a change...Ch. 1.11 - The gage pressure of the air in the tank shown in...Ch. 1.11 - Repeat Prob. 178 for a gage pressure of 40 kPa.Ch. 1.11 - What is the value of the engineering software...Ch. 1.11 - Determine a positive real root of this equation...Ch. 1.11 - Solve this system of two equations with two...Ch. 1.11 - Solve this system of three equations with three...Ch. 1.11 - Solve this system of three equations with three...Ch. 1.11 - The reactive force developed by a jet engine to...Ch. 1.11 - The reactive force developed by a jet engine to...Ch. 1.11 - A man goes to a traditional market to buy a steak...Ch. 1.11 - What is the weight of a 1-kg substance in N, kN,...Ch. 1.11 - The pressure in a steam boiler is given to be 92...Ch. 1.11 - A hydraulic lift is to be used to lift a 1900-kg...Ch. 1.11 - The average atmosphere pressure on earth is...Ch. 1.11 - Hyperthermia of 5C (i.e., 5C rise above the normal...Ch. 1.11 - The boiling temperature of water decreases by...Ch. 1.11 - A house is losing heat at a rate of 1800 kJ/h per...Ch. 1.11 - The average body temperature of a person rises by...Ch. 1.11 - The average temperature of the atmosphere in the...Ch. 1.11 - A vertical, frictionless pistoncylinder device...Ch. 1.11 - A vertical pistoncylinder device contains a gas at...Ch. 1.11 - The force generated by a spring is given by F =...Ch. 1.11 - An air-conditioning system requires a 35-m-long...Ch. 1.11 - Balloons are often filled with helium gas because...Ch. 1.11 - Reconsider Prob. 1101. Using appropriate software,...Ch. 1.11 - Determine the maximum amount of load, in kg, the...Ch. 1.11 - The lower half of a 6-m-high cylindrical container...Ch. 1.11 - A pressure cooker cooks a lot faster than an...Ch. 1.11 - The pilot of an airplane reads the altitude 6400 m...Ch. 1.11 - A glass tube is attached to a water pipe, as shown...Ch. 1.11 - Consider a U-tube whose arms are open to the...Ch. 1.11 - A water pipe is connected to a double-U manometer...Ch. 1.11 - A gasoline line is connected to a pressure gage...Ch. 1.11 - Repeat Prob. 1110 for a pressure gage reading of...Ch. 1.11 - When measuring small pressure differences with a...Ch. 1.11 - Pressure transducers are commonly used to measure...Ch. 1.11 - Consider the flow of air through a wind turbine...Ch. 1.11 - The drag force exerted on a car by air depends on...Ch. 1.11 - It is well known that cold air feels much colder...Ch. 1.11 - Reconsider Prob. 1116E. Using appropriate...Ch. 1.11 - During a heating process, the temperature of an...Ch. 1.11 - An apple loses 3.6 kJ of heat as it cools per C...Ch. 1.11 - At sea level, the weight of 1 kg mass in SI units...Ch. 1.11 - Consider a fish swimming 5 m below the free...Ch. 1.11 - The atmospheric pressures at the top and the...Ch. 1.11 - Consider a 2.5-m-deep swimming pool. The pressure...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
3.3 It is known that a vertical force of 200 lb is required to remove the nail at C from the board. As the nail...
Vector Mechanics for Engineers: Statics, 11th Edition
A 20-lb force is applied to the control rod AB as shown. Knowing that the length of the rod is 9 in. and that t...
Statics and Mechanics of Materials
A biological fluid moves at a flow rate of m=0.02kg/s through a coiled, thin-walled, 5-mm-diameter tube submerg...
Fundamentals of Heat and Mass Transfer
How is the hydrodynamic entry length defined for flow in a pipe? Is the entry length longer in laminar or turbu...
Fluid Mechanics Fundamentals And Applications
The solid steel shaft AC has a diameter of 25 mm and is supported by smooth bearings at D and E. It is coupled ...
Mechanics of Materials
Assume the following vectors are already defined: V1=[302]V2=[214]V3=[5131]V4=[0.50.10.20.2] For each of the fo...
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
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
- Consider a double-fluid manometer attached to an air pipe shown in Fig. P1–72. If the specific gravity of one fluid is 13.55, determine the specific gravity of the other fluid forthe indicated absolute pressure of air. Take the atmospheric pressure to be 100 kPa.arrow_forward1-50 The water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer as shown in Fig. P1-50. Determine the gage pressure of air in the tank if 0.2 m, h, = 0.3 m, and h, of water, oil, and mercury to be 1000 kg/m³, 850 kg/m², and 13,600 kg/m², respectively. 0.4 m. Take the densities Oil Air 1 2 h2 Water Mercury FIGURE P1-50arrow_forward1-69E The pressure in a natural gas pipeline is measured by the manometer shown in Fig. P1-69E with one of the arms open to the atmosphere where the local atmospheric pressure is 14.2 psia. Determine the absolute pressure in the pipeline. Air 2 in Natural Gas 10 in 25 in 6 in Mercury SG = 13.6 Waterarrow_forward
- 1-107 A pressure cooker cooks a lot faster than an ordinary pan by maintaining a higher pressure and temperature inside. The lid of a pressure cooker is well sealed, and steam can escape only through an opening in the middle of the lid. A separate metal piece, the petcock, sits on top of this open- ing and prevents steam from escaping until the pressure force overcomes the weight of the petcock. The periodic escape of the steam in this manner prevents any potentially danger- ous pressure buildup and keeps the pressure inside at a con- stant value. Determine the mass of the petcock of a pressure cooker whose operation pressure is 100 kPa gage and has an opening cross-sectional area of 4 mm2. Assume an atmo- spheric pressure of 101 kPa, and draw the free-body diagram of the petcock. Answer: 40.8 g i e Patm = 101 kPa Petcock -A = 4 mm2 1. Pressure cookerarrow_forwardThe pressure inside a competion grade tennis ball is 1.6 times higher than the atmospheric pressure. The diameter and wall thicknwess of the tennis is 66 mm and 2.8 mm, respectively. Considering the atmospheric pressure as 100,000 Pa, determine the stress in the tennis ball at rest. Express the result in MPa with 2 decimal points.arrow_forwardA 1 m3 tank contains 4.55 kg of nitrogen at a temperature 375 K. Determine the pressure in kPa. Report your answer to one decimal place.arrow_forward
- 1-108 A glass tube is attached to a water pipe, as shown in Fig. P1-108. If the water pressure at the bottom of the tube is 110 kPa and the local atmospheric pressure is 99 kPa, deter- mine how high the water will rise in the tube, in m. Take the density of water to be 1000 kg/m³. Patm = 99 kPa h = ? Water FIGURE P1-108arrow_forward2-40 The volume of an ideal gas is to be reduced by half by compressing it isothermally. Determine the required change in pressure.arrow_forward1-73 The gage pressure of the air in the tank shown in Fig. PI-73 is measured to be 80 kPa. Determine the differential height h of the mercury column. Oil 80 kPa SG = 0.72 75 cm Air Water 30 cm -Mercury SG = 13.6 FIGURE P1-73arrow_forward
- The average temperature of the atmosphere in the world is approximated as a function of altitude by the relation Tatm = 288.15 6.5z where Tatm is the temperature of the atmosphere in K and z is the altitude in km with z = 0 at sea level. Determine the average temperature of the atmosphere outside an airplane that is cruising at an altitude of 33.000 ft. Convert the calculated temperature in degree Rankine. SGRASSarrow_forward1–71. Water in the glass tube is at a temperature of 40°C. Plot the height h of the water as a function of the tube's inner diameter D for 0.5 mm s Ds 3 mm. Use increments of 0.5 mm. Take o = 69.6 mN/m. Prob. 1–71arrow_forwardQ3/ Detemine the weight in Newtons of a car whose mass is 1400 Kg. Convert the mass of car to Slugs and then determine its weight in Pounds? ma1400 kgarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Refrigeration and Air Conditioning Technology (Mi...Mechanical EngineeringISBN:9781305578296Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill JohnsonPublisher:Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
First Law of Thermodynamics, Basic Introduction - Internal Energy, Heat and Work - Chemistry; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=NyOYW07-L5g;License: Standard youtube license