PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Q8 In an ideal Diesel cycle the pressure and temperature at the beginning of
compression are (98.5 KN/m²) and (60 °C) respectively. The maximum pressure
attained during the cycle is (4.5 MN/m²) and the heat received during the cycle is
(850 Kj/Kg) of working fluid. Determine (a) the compression ratio. (b) the temperature
at the end of compression and (c) the temperature at the end combustion.
Answers (a) 15.3, (b) 989 K, (c) 1566 K
Q9 An air-standard cycle is executed in a closed system with (0.002 Kg) of air, and
it consists of the following three processes :
1-2 Isentropic compression from (100 KPa) and (27 °C) to (700 KPa).
2-3 P=constant heat addition to initial specific volume.
3-1 v constant heat rejection to initial state.
(a) Show the cycle on P-v and T-s diagram.
(b) Calculate the maximum temperature in the cycle. Answer T3 = 2100 K
(c) Determine the thermal efficiency. Answer 18.5%
help me solve please
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- Part A The block is supported by the short link BD, the ball-and-socket joint A, and cords CE, CF. Suppose that F₁ =5 kN and F2 = 8.5 kN. (Figure 1) Determine the z component of reaction force at B using scalar notation. Express your answer to three significant figures and include the appropriate units. 미 μA ? B₂ = Value Units Submit Previous Answers Request Answer × Incorrect; Try Again Part B Determine the tension in the cord CE. Express your answer to three significant figures and include the appropriate units. μA ? Units FCE= Value Submit Previous Answers Request Answer × Incorrect; Try Againarrow_forwardLearning Goal: To analyze a rod assembly in three-dimensional space and determine the support reactions by using the equations of equilibrium for a rigid body. The rod assembly shown has smooth journal bearings at A, B, and C. The forces F₁ = 650 N, F₂ = 560 N, F3 = 430 N, and F₁ = 925 N are applied as shown in the figure. The geometry of the rod assembly is given as a = 0.900 m, b=0.600 m, and c = 0.650 m. Neglect the weight of the rod. Determine the 2 component of the reaction exerted on the rod at C. Express your answer to three significant figures and include the appropriate units. ▸ View Available Hint(s) НА ? Cz = Value Units x A B FA Submit Previous Answers × Incorrect; Try Again - Part C - Finding the z component of the reaction at B Determine the component of the reaction on the rod at B. Express your answer to three significant figures and include the appropriate units. ▸ View Available Hint(s) μA B₂ = Value Units Submit Previous Answers × Incorrect; Try Again ? Part D -…arrow_forwardSolve this problem and show all of the workarrow_forward
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- Hi, wondering could I get an explanation for this question. (Out of a reeds book) looking for clarification on the friction angle and how to calculate it, and also why the angle is 90 minus friction angle plus inclined angle. if your want to include a new means of these calculations or a better breakdown that is fine too. Thanksarrow_forwardQ1: For the Diesel cycle (constant pressure cycle) shown in figure above show that: - 1 17th = 1- ρ (-)-1 [1] -1)] Where (n) is the thermal efficiency of the Diesel cycle. (y) is the adiabatic index. (r) is the compression ratio. (p) Is the cut-off ratio. عماد داود عبودarrow_forwardNB: Answer fully and show all working out. In the system shown in Figure 1, link OA has a constant angular velocity of 15 rad/s anticlockwise. For the position shown, determine: a) The angular velocity of rod AB. b) The angular velocity of rod BC. c) The angular acceleration of rod AB. d) The angular acceleration of rod BC. B 15° 240 mm A 80 mm 200 mm CO wo 60° ✓arrow_forward
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