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External link to Material fatigue is a well-known situation whereby rupture can be caused by a large number of stress variations at a point, even though the maximum stress in the material is less than its yi
Elite Questions, Mechanical Engineering

Material fatigue is a well-known situation whereby rupture can be caused by a large number of stress variations at a point, even though the maximum stress in the material is less than its yi

mechanical engineering report Hi, I would like help on the fatigue testing experiment report. I just want the results and discussion section.The instruction of the experiment, data, and report guidelines are attached.Requirements: Result and Discussion sectionsFatigue TestingEXPERIMENT # 4Safety first!1. Proper protective eyewear must be worn while operating the fatigue tester.2. Place the guard shield in place before starting a fatigue test.3. Never touch the […]

External link to (a) An incompressible liquid flows through a sudden contraction from a pipe of diameter Dl into a…
Mechanical Engineering

(a) An incompressible liquid flows through a sudden contraction from a pipe of diameter Dl into a…

(a) An incompressible liquid flows through a sudden contraction from a pipe of diameter Dl into a pipe of smaller diameter D2. What does the Bernoulli equation predict for P1=P2, the difference between the modified pressures upstream and downstream of the contraction? Does this result agree with experimental observations? (b) Repeat the derivation for the isothermal horizontal flow of an ideal gas through a sudden […]

External link to . Design a bridge to span a small stream. Assume that rigid supports are available on each bank,…
Mechanical Engineering

. Design a bridge to span a small stream. Assume that rigid supports are available on each bank,…

. Design a bridge to span a small stream. Assume that rigid supports are available on each bank, 3.0 m apart. The bridge is to be 1.0 m wide and carry a uniformly distributed load of 2.4 kN/m2 over its entire area. Design only the deck boards and beams. Use two or more beams of any size from Appendix A–4(b) or others of your own […]

External link to A centrifugal friction clutch has a driving member consisting of a spider carrying four shoes…
Mechanical Engineering

A centrifugal friction clutch has a driving member consisting of a spider carrying four shoes…

A centrifugal friction clutch has a driving member consisting of a spider carrying four shoes which arekept from contact with the clutch case by means of flat springs until increase of centrifugal forceovercomes the resistance of the springs and the power is transmitted by the friction between the shoesand the case.Determine the necessary mass and size of each shoe if 22.5 kW is to be […]

External link to A hollow shaft has to transmit 6MW at 150rev/min. The maximum allowable stress is not to exceed60…
Mechanical Engineering

A hollow shaft has to transmit 6MW at 150rev/min. The maximum allowable stress is not to exceed60…

A hollow shaft has to transmit 6MW at 150rev/min. The maximum allowable stress is not to exceed60 MN/m2 nor the angle of twist 0.3″ per metre length of shafting. If the outside diameter of the shaft is 300 mm findthe minimum thickness of the hollow shaft to satisfy the above conditions. G = 80 GN/m2. [61

External link to a steam turbine is to operate on a simple regenerative cycle. steam is supplied dry saturated at…
Mechanical Engineering

a steam turbine is to operate on a simple regenerative cycle. steam is supplied dry saturated at…

a steam turbine is to operate on a simple regenerative cycle. steam is supplied dry saturated at 40 bar , and is exhausted to a condenser at 0.07 bar . the condensate is pumped to a pressure of 3.5 bar at which it is mixed with bleed steam from the turbine at 3.5 bar. the resulting water which is at saturation temperature is then pumped […]

External link to . A natural gas-fired furnace in a textile plant is used to provide steam at 130 o C. At times of…
Mechanical Engineering

. A natural gas-fired furnace in a textile plant is used to provide steam at 130 o C. At times of…

. A natural gas-fired furnace in a textile plant is used to provide steam at 130oC. At times of high demand, the furnace supplies heat to the steam at a rate of 30 MW. The plant also uses up to 6 MW of electrical power purchased from the local power company. The plant management is considering converting the existing process plant into a cogeneration plant […]

External link to Instructions: You are required to write a report following proper format and show all derivation…
Mechanical Engineering

Instructions: You are required to write a report following proper format and show all derivation…

Instructions: You are required to write a report following proper format and show all derivation of your solutions. PROBLEM STATEMENT:Consider an automobile traveling over a rough road at a speed of v km/hr. The suspension system has a spring constant of 40 kN/m and a damping ratio of 0.1. The road surface varies sinusoidally with an amplitude of Y= 0.04 m and a wavelength of […]

External link to It is desired to find the cetane number of a fuel oil which has a density of 860 kg/m3 and a…
Mechanical Engineering

It is desired to find the cetane number of a fuel oil which has a density of 860 kg/m3 and a…

It is desired to find the cetane number of a fuel oil which has a density of 860 kg/m3 and a midpoint boiling temperature of 229°C. When tested in the standard test engine, the fuel is found to have the same ignition characteristics as a mixture of 23% hexadecane and 77% heptamethylnonane. Calculate: (a) Cetane number of fuel. (b) Percent error if cetane index is […]

External link to Una cámara aislada de paredes gruesas contiene ni moles de helio en Z&D # 5.15 Pi de alta…
Mechanical Engineering

Una cámara aislada de paredes gruesas contiene ni moles de helio en Z&D # 5.15 Pi de alta…

1. Which of the following problems are likely to be studied by a microeconomist and which by a macroeconomist? a. The rapid growth of Facebook b. Why unemployment in the United States rose from 2007 to 2010 c. Why Japan’s economy grew faster than the U.S. economy in the 1980s, but slower in the 2000s d. Why health-care costs have risen so rapidly in recent […]

External link to Figure 1 A gusset plate is attached to a column as shown in the Figure 1 supports a load of 100…
Mechanical Engineering

Figure 1 A gusset plate is attached to a column as shown in the Figure 1 supports a load of 100…

A reaction turbine runs at 3000 rpm and the steam consumption is 20000 kg/h. The pressure of steam at a certain pair is 2 bar, its dryness fraction is 0.93 and the power developed by the pair is 50kW. The discharge blade angle is 20° for both the fixed and moving blades and the axial velocity of flow is                     0. 72 times the blade velocity. […]

External link to A fluid with ? = 10 -6 m 2 /s and ? = 800 kg/m 3 flows through the 8-cm galvanized iron pipe…
Mechanical Engineering

A fluid with ? = 10 -6 m 2 /s and ? = 800 kg/m 3 flows through the 8-cm galvanized iron pipe…

1.       The atmospheric air at 30°C DBT with 75% RH enters a cooling coil at the rate of200 m 3 /min. The dew point temperature of cooling coil is 14 °C and by-pass factor is 0.25. Calculate the temperature of air leaving the cooling coil, capacity of cooling coil, amount of water removed and sensible heat factor. 2.       The by-pass factor of cooling coil is […]

External link to An air-conditioned auditorium with a capacity of 1000 persons is to be maintained at 24°C DB and… 1 answer below »
Mechanical Engineering

An air-conditioned auditorium with a capacity of 1000 persons is to be maintained at 24°C DB and… 1 answer below »

A 3-year-old is brought to the emergency department having just ingested a large overdose of chlorpropamide, an oral antidiabetic drug. Chlorpropamide is a weak acid with a pKa of 5.0. It is capable of entering most tissues. On physical examination, the heart rate is 110/min, blood pressure 90/50 mm Hg, and respiratory rate 30/min. Which of the following statements about this case of chlorpropamide overdose […]

External link to Una cámara aislada de paredes gruesas contiene ni moles de helio en Z&D # 5.15 Pi de alta…
Mechanical Engineering

Una cámara aislada de paredes gruesas contiene ni moles de helio en Z&D # 5.15 Pi de alta…

1. Which of the following problems are likely to be studied by a microeconomist and which by a macroeconomist? a. The rapid growth of Facebook b. Why unemployment in the United States rose from 2007 to 2010 c. Why Japan’s economy grew faster than the U.S. economy in the 1980s, but slower in the 2000s d. Why health-care costs have risen so rapidly in recent […]

External link to Figure 1 A gusset plate is attached to a column as shown in the Figure 1 supports a load of 100…
Mechanical Engineering

Figure 1 A gusset plate is attached to a column as shown in the Figure 1 supports a load of 100…

A reaction turbine runs at 3000 rpm and the steam consumption is 20000 kg/h. The pressure of steam at a certain pair is 2 bar, its dryness fraction is 0.93 and the power developed by the pair is 50kW. The discharge blade angle is 20° for both the fixed and moving blades and the axial velocity of flow is                     0. 72 times the blade velocity. […]

External link to A fluid with ? = 10 -6 m 2 /s and ? = 800 kg/m 3 flows through the 8-cm galvanized iron pipe…
Mechanical Engineering

A fluid with ? = 10 -6 m 2 /s and ? = 800 kg/m 3 flows through the 8-cm galvanized iron pipe…

1.       The atmospheric air at 30°C DBT with 75% RH enters a cooling coil at the rate of200 m 3 /min. The dew point temperature of cooling coil is 14 °C and by-pass factor is 0.25. Calculate the temperature of air leaving the cooling coil, capacity of cooling coil, amount of water removed and sensible heat factor. 2.       The by-pass factor of cooling coil is […]

External link to An air-conditioned auditorium with a capacity of 1000 persons is to be maintained at 24°C DB and… 1 answer below »
Mechanical Engineering

An air-conditioned auditorium with a capacity of 1000 persons is to be maintained at 24°C DB and… 1 answer below »

A 3-year-old is brought to the emergency department having just ingested a large overdose of chlorpropamide, an oral antidiabetic drug. Chlorpropamide is a weak acid with a pKa of 5.0. It is capable of entering most tissues. On physical examination, the heart rate is 110/min, blood pressure 90/50 mm Hg, and respiratory rate 30/min. Which of the following statements about this case of chlorpropamide overdose […]

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