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Home work 1 What is the use of a pulley?

Home work 1 What is the use of a pulley?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Home work 1 What is the use of a pulley? 2 How are pulleys mounted on shafts? 3 Name different types of pulleys? 4 What is "crowning" and where and why it is applied? 5 When is a flat belt pulley recommended? 6 What are the various types of flat belt pulleys? 7 What is the difference between an armed pulley and a pulley with a web? 8 What is meant by fast and loose pulleys? Explain its working principle. 9 What is the difference between a flat belt and a V-belt? 10 What are the various types of V-belt pulleys? 11 Where and why a step cone pulley is used? 12 Where do you recommend a rope drive? 13 Differentiate between a V-belt drive and a rope drive. 14 What are the materials used for the ropes? 15 Sketch the following types of flat belt pulleys, providing necessary views; with proportionate dimensions marked (a) armed pulley, (b) pulley with a web., The pulleys are to be mounted on a shaft of diameter 50mm. 16 Sketch the necessary view of a step cone pulley with four steps, operating with (a) flat belts and Assume that the pulleys are to be mounted on shafts of diameter 50 (b) V-belts. mm. 17 Sketch (a) sectional view from the front and (b) view from the side of a fast and loose pulleys. Assume that the unit is to be mounted on a shaft of diameter 50 mm. 18 Giving proportionate dimensions; sketch the necessary views of a V-belt pulley that operates with three V-belts. 19 Sketch (a) sectional view from the front and (b) view from the side of a rope pulley. The pulley is to be mounted on a shaft of diameter 50 mm.
Transcribed Image Text:Home work 1 What is the use of a pulley? 2 How are pulleys mounted on shafts? 3 Name different types of pulleys? 4 What is "crowning" and where and why it is applied? 5 When is a flat belt pulley recommended? 6 What are the various types of flat belt pulleys? 7 What is the difference between an armed pulley and a pulley with a web? 8 What is meant by fast and loose pulleys? Explain its working principle. 9 What is the difference between a flat belt and a V-belt? 10 What are the various types of V-belt pulleys? 11 Where and why a step cone pulley is used? 12 Where do you recommend a rope drive? 13 Differentiate between a V-belt drive and a rope drive. 14 What are the materials used for the ropes? 15 Sketch the following types of flat belt pulleys, providing necessary views; with proportionate dimensions marked (a) armed pulley, (b) pulley with a web., The pulleys are to be mounted on a shaft of diameter 50mm. 16 Sketch the necessary view of a step cone pulley with four steps, operating with (a) flat belts and Assume that the pulleys are to be mounted on shafts of diameter 50 (b) V-belts. mm. 17 Sketch (a) sectional view from the front and (b) view from the side of a fast and loose pulleys. Assume that the unit is to be mounted on a shaft of diameter 50 mm. 18 Giving proportionate dimensions; sketch the necessary views of a V-belt pulley that operates with three V-belts. 19 Sketch (a) sectional view from the front and (b) view from the side of a rope pulley. The pulley is to be mounted on a shaft of diameter 50 mm.
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