Home work1 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 aweb?8 What is meant by fast and loose pulleys? Explain its workingprinciple.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 necessaryviews; 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 andAssume 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 sideof 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 aV-belt pulley that operates with three V-belts.19 Sketch (a) sectional view from the front and (b) view from the sideof a rope pulley. The pulley is to be mounted on a shaft of diameter 50mm.

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Engineering

Mechanical Engineering

Home work 1 What is the use of a pulley?

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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Question

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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