EBK AUTOMOTIVE TECHNOLOGY
5th Edition
ISBN: 9780100659841
Author: Halderman
Publisher: YUZU
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Chapter 5, Problem 4CQ
To determine
The number of years of work experience can be replaced by attending automotive service training.
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2. Jojoba oil is flowing through a ¾-nom stainless steel pipe at a flow rate of 1,850 lbm/h. After
the velocity profile in the pipe is fully developed, the oil enters a heater, as shown in Figure P5.7.
The length of the heater section is 5 ft. The properties of the jojoba oil at the average temperature
in the heater section are given in Table P5.7. Determine the convective heat transfer coefficient
inside the heater section of the
pipe.
¾ nom stainless steel pipe
Heater section
L=5ft
Fig. P5.7
TABLE P5.7
Thermophysical Properties of Jojoba Oil at the Average Temperature in the Heater
P
(lbm/ft³)
68.671
(Btu/lbm-R)
0.30339
μ
(lbm/ft-s)
0.012095
k
(Btu/h-ft-°F)
0.077424
1. Water is flowing inside of a 3-std type K copper tube at a flow rate of 1.2 kg/s. The average
temperature of the water is 50°C. Cold, dry air at a temperature of 5°C and atmospheric pressure
flows outside of the tube in cross flow with a velocity of 85 m/s. Determine the UA product for
this tube under clean conditions.
Hints: Find the closed loop transfer function and then plot the step response for diFerentvalues of K in MATLAB. Show step response plot for different values of K.
Auto Controls
Show solutions and provide matlab code
NO COPIED ANSWERS OR WILL REPORT!!!!
Chapter 5 Solutions
EBK AUTOMOTIVE TECHNOLOGY
Ch. 5 - What are the eight ASE test areas?Ch. 5 - When are the written ASE tests given?Ch. 5 - What types of questions are asked on the ASE...Ch. 5 - What can a technician do to help prepare to take...Ch. 5 - Which ASE certification test would cover...Ch. 5 - How many ASE tests must be passed to become a...Ch. 5 - Mow many years of experience are required to...Ch. 5 - Prob. 4CQCh. 5 - Prob. 5CQCh. 5 - Prob. 6CQ
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- Bài 1. Cho cơ hệ như hình 1. Hình biểu diễn lược đổ cơ hệ tại vị trí cân bằng tĩnh. Trục tọa độ Oy hướng theo phương chuyển động của vật 1, gốc O đặt tại vị trí cân bằng của vật 1(tức khi lò xo biến dạng tĩnh). Bỏ qua khối lượng của thanh số 3. Vật rắn 2 là pulley 2 tầng đồng chất có bán kính ngoài 21, bán kính trong I, bán kính quán tính đối với trục qua tâm P-1.5, khối lượng m:. Vật rắn 4 là thanh thắng đồng chất có khối lượng m, chiều dài 1. Cho các số liệu: m = 2kg, m= = 5kg, m = 4kg, k=40(N/cm), ! – 0.8(m),r=0.1(m). Điều kiện đầu y; =0.5 cm );j = 10 cm/s) . Giả sử hệ dao động bé, Vật rắn 2 chuyển động lăn không trượt trên mặt phẳng ngang. 1. Viết phương trình chuyển động của hệ. 2. Xác định tần số dao động tự do của hệ. 3. Xác định đáp ứng dao động tự do của hệ. dây dây 1 2r Hình 1 y 3 -2 I k www. -2arrow_forwardHints: Find the closed loop transfer function and then plot the step response for diFerentvalues of K in MATLAB. Show step response plot for different values of K. Auto Controls Show solutions and provide matlab code NO COPIED ANSWERS OR WILL REPORTarrow_forwardObtain the response of the system shown below for a parabolic or acceleration input r(t);where Auto Controls Show full solutionarrow_forward
- Problem Statement A large plate of insulating material 8 cm thick has in it a 3 cm-diam hole, with axis normal to the surface. The temperature of the surroundings are 1800 K at one side of the plate and 400 K on the other side. Insulating plate D= 3 cm H= 8 cm Considering the sides of the hole to be black, (a) Draw a system of resistors that can be used to solve for the various heat transfer rates. For full credit you must label all "voltages", "currents," and resistances present. (b) Estimate the radiative heat transfer through the hole.arrow_forwardUsing MATLAB, plot the unit-step response curve for the following transfer function and Using MATLAB, obtain the rise time, peak time, maximum overshoot, and settling time. Auto Controls Provide codesarrow_forwardUse Routh's stability criterion to determine how many roots with positive real partsthe following equations have Auto Controls Show full solutionsarrow_forward
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