Bundle: Automotive Technology: A Systems Approach, 6th + LMS Integrated for MindTap Auto Trades Printed Access Card
6th Edition
ISBN: 9781305366749
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Chapter 15, Problem 14RQ
To determine
The incorrect statement about the blade fuses.
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1,1
51
K/s ..
زيد عامر
اليوم عند 9:34 م
۱۷۲ من ۱۷۳
University of Babylon
College of Engineering Al-Musayab
Automobile Engineering Department
Final Examination/1" Attempt
T19:34
Subject: 1. C. Engines I
Maximum Time: 3 Hours
Class: 3
Date:
1 / 2023
Answer 07 of the following questions
(First Semester) 2022/2023
(1) Choose the correct answer for eight only from below
1- Indicator diagram shows for one complete revolution of crank
Maximum mark: 50 Deg.
a) variation of kinetic heat in the cylinder. b) variation of pressure head in the cylinder
e) variation of kinetic and pressure heat in the cylinder, d) none of the above.
2- A carburetor is used to supply
(a) petrol, air and lubricating oil (b) air and diesel (c) petrol and lubricating oil (d) petrol and air.
3- In a four stroke cycle petrol engine, the charge is compressed when
a) inlet valve is closed. b) exit valve is closed.
e) both inlet and exit valves are closed. d) both inlet and exit valves are open.
(8 deg.)
4- For an engine…
1- Determine the following: 1- RSHF? 2- C.C.C in tons-ref. 3- Mass
of supply air?
Fresh
Spray chilled
water
S
air
100% RH
To 34 C db & 26 wbt
S
Operation
fan
room I
Exhaust
air
Ti 22 C db & 50% RH
How do I solve this task
A weight for a lift is suspended using an adapter. The counterweight is held up with 4 screws. The weight F is 3200kg.
The screws have a strength class of 8.8. Safety factor 3
Which is the smallest bunch size that can be used?+_Sr/Fm =0,16Gr=0,71ơ=800·0.8=640 MPaAs=?Fmax= As·ơ·GrFs=ơs·AsFFm= Fs· GFSF =SF / FFm · FFm Fpreload =Fload / SF → Fload /3Fpreload per screw =Fload / SF → Fload /4As=Fpreload per screw /ơ·Gr → As= Fpreload per screw / 640· 0.71
The correct answer should be M12 with As=84.3mm²
Chapter 15 Solutions
Bundle: Automotive Technology: A Systems Approach, 6th + LMS Integrated for MindTap Auto Trades Printed Access Card
Ch. 15 - What is represented by the E, I, and R in the...Ch. 15 - Prob. 2RQCh. 15 - What are the two types of wires and which is the...Ch. 15 - Define voltage drop.Ch. 15 - Define circuit protection.Ch. 15 - What is a normally dosed switch?Ch. 15 - Prob. 7RQCh. 15 - What is the difference between voltage and...Ch. 15 - What is an SPST switch?Ch. 15 - Which type of resistor is commonly used in...
Ch. 15 - Prob. 11RQCh. 15 - Solve the parallel circuit for total circuit...Ch. 15 - Prob. 13RQCh. 15 - Prob. 14RQCh. 15 - Prob. 15RQCh. 15 - Prob. 1ASRQCh. 15 - Prob. 2ASRQCh. 15 - WHiile discussing the circuit shown in Figure...Ch. 15 - While discussing electrical grounds: Technician A...Ch. 15 - Prob. 5ASRQCh. 15 - Prob. 6ASRQCh. 15 - While discussing copper wire: Technician A says...Ch. 15 - While discussing current flow: Technician A says...Ch. 15 - While discussing voltage Technician A says that...Ch. 15 - While discussing the AWG system: Technician A says...
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- 5. Determine the transfer function of G(s) = 01(s)/T₁(s) and 02(s)/T₁ for the mechanical system shown in Figure Q5. (Hints: assume zero initial condition) T₁(t) 01(t) 102(1) Ол N1 D1 D2 No. 1790220000 N2 Figure Q5 K2arrow_forwardA spring package with two springs and an external force, 200N. The short spring has a loin of 35 mm. Constantly looking for spring for short spring so that total compression is 35 mm (d). Known values: Long spring: Short spring:C=3.98 N/mm Lo=65mmLo=87.4mmF=c·fTotal compression is same for both spring. 200 = (3.98(c1) × 35) + (c₂ × 35) 200 = 139.3 + 35c₂ 200 - 139.3 = 35c₂ 60.7 = 35c₂ c₂ = 60.7/35 Short spring (c₂) = 1.73 N/mm According to my study book, the correct answer is 4.82N/mm What is wrong with the calculating?arrow_forwardWhat is the reason for this composition?arrow_forward
- Homework: ANOVA Table for followed design B AB Dr -1 -1 1 (15.18,12) 1 -1 -1 (45.48.51) -1 1 -1 (25,28,19) 1 1 (75.75,81)arrow_forward20. [Ans. 9; 71.8 mm] A semi-elliptical laminated spring is made of 50 mm wide and 3 mm thick plates. The length between the supports is 650 mm and the width of the band is 60 mm. The spring has two full length leaves and five graduated leaves. If the spring carries a central load of 1600 N, find: 1. Maximum stress in full length and graduated leaves for an initial condition of no stress in the leaves. 2. The maximum stress if the initial stress is provided to cause equal stress when loaded. [Ans. 590 MPa ; 390 MPa ; 450 MPa ; 54 mm] 3. The deflection in parts (1) and (2).arrow_forwardQ6/ A helical square section spring is set inside another, the outer spring having a free length of 35 mm greater than the inner spring. The dimensions of each spring are as follows: Mean diameter (mm) Side of square section (mm) Active turns Outer Inner Spring Spring 120 70 8 7 20 15 Determine the (1) Maximum deflection of the two springs and (2) Equivalent spring rate of the two springs after sufficient load has been applied to deflect the outer spring 60 mm. Use G = 83 GN/m².arrow_forward
- Q2/ The bumper springs of a railway carriage are to be made of rectangular section wire. The ratio of the longer side of the wire to its shorter side is 1.5, and the ratio of mean diameter of spring to the longer side of wire is nearly equal to 6. Three such springs are required to bring to rest a carriage weighing 25 kN moving with a velocity of 75 m/min with a maximum deflection of 200 mm. Determine the sides of the rectangular section of the wire and the mean diameter of coils when the shorter side is parallel to the axis of the spring. The allowable shear stress is not to exceed 300 MPa and G = 84 kN/mm². Q6/ A belicalarrow_forward11. A load of 2 kN is dropped axially on a close coiled helical spring, from a height of 250 mm. The spring has 20 effective turns, and it is made of 25 mm diameter wire. The spring index is 8. Find the maximum shear stress induced in the spring and the amount of compression produced. The modulus of rigidity for the material of the spring wire is 84 kN/mm². [Ans. 287 MPa; 290 mm]arrow_forwardWhat is the reason for this composition?arrow_forward
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