AUTMOTIVE TECH, TECH MANUAL & MIND TAP
6th Edition
ISBN: 9781305383180
Author: ERJAVEC
Publisher: CENGAGE L
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Chapter 10, Problem 2ASRQ
While discussing the common causes for cracks developing in a cylinder block or head: Technician A says that the chilling of a hot engine by a sudden rush of cold water or air over the surf ace may cause cracking. Technician B says that excessive overheating is a common cause. Who is correct?
- Technician A
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Q4/ A compressor is driven motor by mean of a flat belt of thickness 10 mm and a width of
250 mm. The motor pulley is 300 mm diameter and run at 900 rpm and the compressor
pulley is 1500 mm diameter. The shaft center distance is 1.5 m. The angle of contact of
the smaller pulley is 220° and on the larger pulley is 270°. The coefficient of friction
between the belt and the small pulley is 0.3, and between the belt and the large pulley is
0.25. The maximum allowable belt stress is 2 MPa and the belt density is 970 kg/m³.
(a) What is the power capacity of the drive and (b) If the small pulley replaced by
V-grooved pulley of diameter 300 mm, grooved angle of 34° and the coefficient of
friction between belt and grooved pulley is 0.35. What will be the power capacity in this
case, assuming that the diameter of the large pulley remain the same of 1500 mm.
You are tasked with designing a power drive system to transmit power between a motor and a conveyor belt in a manufacturing facility as illustrated in figure.
The design must ensure efficient power transmission, reliability, and safety. Given the following specifications and constraints, design drive system for this application:
Specifications:
Motor Power: The electric motor provides 10 kW of power at 1,500 RPM.
Output Speed: The output shaft should rotate at 150 rpm.
Design Decisions:
Transmission ratio: Determine the necessary drive ratio for the system.
Shaft Diameter: Design the shafts for both the motor and the conveyor end.
Material Selection: Choose appropriate materials for the gears, shafts.
Bearings: Select suitable rolling element bearings.
Constraints:
Space Limitation:
The available space for the gear drive system is limited to a 1-meter-long section.
Attribute 4 of CEP
Depth of knowledge required
Fundamentals-based, first principles analytical approach…
Chapter 10 Solutions
AUTMOTIVE TECH, TECH MANUAL & MIND TAP
Ch. 10 - WHat should be worn when working with any type of...Ch. 10 - Prob. 2RQCh. 10 - What is the best way to lift a vehicle when...Ch. 10 - True or False? The first step in removing an...Ch. 10 - Prob. 5RQCh. 10 - The buildup of minerals and deposits inside the...Ch. 10 - Hydrocarbon solvents are. flammable toxic both a...Ch. 10 - Prob. 8RQCh. 10 - Which cleaning method uses high-frequency sound...Ch. 10 - Parts must be when they go into an abrasive blast...
Ch. 10 - Prob. 11RQCh. 10 - Which of the following is not considered part of...Ch. 10 - Why should a memory saver be installed before dis...Ch. 10 - Which of the following statements is not true...Ch. 10 - Which of the following is not a common way to...Ch. 10 - While working on an engine with an excessive...Ch. 10 - While discussing the common causes for cracks...Ch. 10 - Technician A uses a crane to remove an engine from...Ch. 10 - Prob. 4ASRQCh. 10 - While discussing abrasive cleaners: Technician A...Ch. 10 - Technician A labels or marks all electrical wires...Ch. 10 - While discussing cleaning engine parts: Technician...Ch. 10 - While loosening the axle shaft hub nuts on a FWD...Ch. 10 - While preparing to remove an engine: Technician A...Ch. 10 - After removing the vehicles hood in preparation...
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