Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 11, Problem 12RQ
Each halt' of a split bearing is made slightly larger than an exact half. What is this called?
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choose true or false:-A bearing is designated by the number 405. It means that a bearing is of heavy series with bore of 25 mm.
When trying to accommodate only axial loading, which of the following bearings is most likely to be used?
a. Tapered roller bearing
b. Deep groove ball bearing
c. Thrust bearing
d. Needle bearing
e. Spherical bearing
Chapter 11 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 11 - Explain how to use a micrometer to measure cam...Ch. 11 - What is the cylinder taper?Ch. 11 - Describe how to measure main bearing oil...Ch. 11 - Where does maximum cylinder bore wear occur and...Ch. 11 - What type of valve lifter automatically...Ch. 11 - List three types of compression rings.Ch. 11 - Most pistons used today are made of. cast iron...Ch. 11 - Cam bearings in OHV engines are typically which...Ch. 11 - Which of the following is not of concern when...Ch. 11 - True or False? Cylinder taper is the difference in...
Ch. 11 - What is the purpose of a thrust main bearing?Ch. 11 - Each halt' of a split bearing is made slightly...Ch. 11 - Prob. 13RQCh. 11 - Prob. 14RQCh. 11 - Which type of oil ring is slotted so that excess...Ch. 11 - When removing the balance shaft assembly:...Ch. 11 - After installing cam bearings: Technician A checks...Ch. 11 - Technician A says that a cylinder wall with too...Ch. 11 - Technician A uses a pry bar to stretch the timing...Ch. 11 - Technician A installs a cup-type core plug with...Ch. 11 - Technician A uses a micrometer to measure the...Ch. 11 - Technician A says that piston ring end gaps should...Ch. 11 - Technician A checks crankshaft oil clearance with...Ch. 11 - When removing the piston and rod assemblies from a...Ch. 11 - Technician A says that crankshaft counterweights...
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- 8.39. A cast-iron gear with 100-mm effective diameter andt= 40-mm hub length is to transmit a maximum torque of 120 N. m at low speeds (Fig. 8.11). Determine (a) the required radial interference on a 20-mm diameter steel shaft and (b) the maximum stress in the gear due to a press fit. Given: E̟ = 100 GPa. E, = 200 GPa, v= 0.3, and f= 0.16. engagement Canarrow_forwardOn a banjo type differential, the bearing caps fasten to the removeable center section. True Falsearrow_forwardNonearrow_forward
- Which of the bearings given below SHOULD NOT be subjected to a thrust load? A Deep groove ball bearing B Angular contact ball bearing C Cylindrical (straight) roller bearing D Single row tapered roller bearingarrow_forwardQUESTION 2 Two gears (A and B) are in mesh (they are interlocked) and both spin around their centers of gravity. Gear A has a radius of .8 ft and is experinceing a 10 ft-lb CW moment Gear B has a radius of 1.2 ft If A is initially moving at 60 rpm CW, determine how long it will take for gear B to be rotating at 300 rpm CCW gear For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).arrow_forwardName two material shapes that can be properly held in a three-jaw chuck.arrow_forward
- Multiple choice Which wheelbarrow shown is well designedarrow_forward10. The design life of a bearing used in a shaft of an industrial blower is around 20,000 h. How many number of revolutions is this equal to if the shaft rotates at 600 rpm? 3 x 108 6 x 108 4 x 108 7 x 108 a. b. 11. For a D/d ratio of 1.5, which combination of fillet radius and smaller shaft diameter will you consider it as a well rounded fillet? 0.4 and 20.0 b. 2 and 10.5 a. b. C. d. 12. Which combination of sheave diameters and center of less than 9.5 inches? 2, 8, 10 2.5, 10, 10 C. d. c. d. 3.0 and 100 both b and c distance results in a length of span between two sheaves 4, 10, 10 Answer is not among the choicesarrow_forwardIdentify the number of spur gears available in a Single Purchase Crab Winch a. One b. Three c. Four d. Twoarrow_forward
- 7951 M 19. Which bearing designation refers to a deep groove ball bearing that is classified as extremely light duty series and has a bore diameter of 15 mm? a. 6802 b. 6003 a. 22.8 b. 25.3 20. A helical gear has a normal pressure angle of 20 deg and a helix angle of 30 deg. What is its transverse pressure angle in degrees? a. 2880 b. 3120 a. 2.89 b. 3.11 21. Determine the bending stress, in psi, in a 17T helical gear with F = 0.75 inch, Pnd = 8,0 = 20 deg and q = 45 if the trasmitted load is 210 lb. Use J = 0.55. a. b. c. d. a. b. c. d. 22. What is the pitch diameter in inches of a 30T helical gear with Pnd 8, normal pressure angle = 25 deg, and helix angle = 30 deg? = Q 44 48 6803 6002 Ai MSS DE 27.2 31.5 C. 4130 d. Answer is not among the choices C. d. 23. A 5 mm square key was used to transmit 7.5 hp to a 20 mm shaft rotating at 360 rpm. If the key material has a yield strength of 272 MPa, what should be the minimum length, in mm, of the key. Use MSS theory and a design factor of…arrow_forwardB1arrow_forwardDefine the purpose of the final drive gears.arrow_forward
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