Question Cagtegory: thermal fluid Sciences 4th solutions
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• ## define normal stress.

normal stress defined  a stress that occurs when a member is loaded by an axial force. The value of the …

Asked on May 28, 2017 in
• 176 views
• ## unit of shear stress

the unit of shear stress in SI ( international system ) is pascal. A shear stress, often denoted  by τ

Asked on May 28, 2017 in
• 184 views
• ## what is the driving force of heat transfer?

the driving force of heat transfer is the three types of Conduction, Convection and Radiation. the radiation method only the one …

Asked on May 28, 2017 in
• 183 views
• ## explain a light year.

a light year is defined to be the a unit of astronomical distance equivalent to the distance that light travels in …

Asked on May 28, 2017 in
• 162 views
• ## A 4-kW resistance heater in a water heater runs for 2 hours to raise the water temperature to the desired level. Determine the amount of electric energy used in both kWh and kJ.

ch1-20. A 4-kW resistance heater in a water heater runs for 2 hours to raise the water temperature to the desired …

Asked on April 21, 2017 in
• 193 views
• ## While solving a problem, a person ends up with the equation E= 25 kJ + 7 kJ/kg at some stage. Here E is the total energy and has the unit of kilojoules. Determine how to correct the error and discuss what may have caused it.

ch1-19. While solving a problem, a person ends up with the equation E= 25 kJ + 7 kJ/kg at some stage. …

Asked on April 21, 2017 in
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• ## Solve Prob. 1–12 using EES (or other) software. Print out the entire solution, including the numerical results with proper units.

ch1-18. Solve Prob. 1–12 using EES (or other) software. Print out the entire solution, including the numerical results with proper units. …

Asked on April 21, 2017 in
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• ## A 3-kg rock is thrown upward with a force of 200 N at a location where the local gravitational acceleration is 9.79 m/s2. Determine the acceleration of the rock, in m/s2.

ch1-17. A 3-kg rock is thrown upward with a force of 200 N at a location where the local gravitational acceleration …

Asked on April 21, 2017 in
• 2K views
• ## The constant-pressure specific heat of air at 25°C is 1.005 kJ/kg·°C. Express this value in kJ/kg·K, J/g·°C, kcal/kg·°C, and Btu/lbm·°F.

ch1-16. The constant-pressure specific heat of air at 25°C is 1.005 kJ/kg·°C. Express this value in kJ/kg·K, J/g·°C, kcal/kg·°C, and Btu/lbm·°F. …

Asked on April 21, 2017 in
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