Q2 / A belt drive consist of two V- belts in parallel, on grooved pulleys of the samesize. The angle of the groove is 30. The cross - section area of each belt is 750 mmand u is 0.12. The density of the belt material is 1.2 Mg/m and the maximum safestress in the material is 7 MN/m. Answer the following questions1- The centrifugal tension in belts is .(a) increases power transmitted(b) decreases power transmitted(c) have no effect on power transmitted(d) increases power transmitted up to a certain speed and then decreases2- The power that can be transmitted between pulleys of 300 mm diameterrotating at 1500 r.p.m is ..3- The shaft speed in r.p.m at which the power transmitted would be a maximum4- When two pulleys are connected by means of an open belt drive, then both thepulleys will rotate is opposite directions. (true or falls)5- The length of V- belt drive are usually used for ..(a) long drives (b) short drives (c) long and short drives (d) none of these.

Given The angle of the groove is β=30°. The cross sectional area of belt is A=750 mm2. The…

Q2 / A belt drive consist of two V-belts in parallel, on grooved pulleys of the same size. The angle of the groove is 30. The cross- section area of each belt is 750 mm and șu is 0.12. The density of the belt material is 1.2 Mg/m' and the maximum safe stress in the material is 7 MN/m. Answer the following questions 1- The centrifugal tension in belts is . (a) increases power transmitted (b) decreases power transmitted (c) have no effect on power transmitted (d) increases power transmitted up to a certain speced and then decreases 2- The power that can be transmitted between pulleys of 300 mm diameter rotating at 1500 r.p.m is . 3- The shaft speed inr.p.m at which the power transmitted would be a maximum

Q2 / A belt drive consist of two V-belts in parallel, on grooved pulleys of the same size. The angle of the groove is 30. The cross- section area of each belt is 750 mm and șu is 0.12. The density of the belt material is 1.2 Mg/m' and the maximum safe stress in the material is 7 MN/m. Answer the following questions 1- The centrifugal tension in belts is . (a) increases power transmitted (b) decreases power transmitted (c) have no effect on power transmitted (d) increases power transmitted up to a certain speced and then decreases 2- The power that can be transmitted between pulleys of 300 mm diameter rotating at 1500 r.p.m is . 3- The shaft speed inr.p.m at which the power transmitted would be a maximum

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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Concept explainers

Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.

Question

Q2 / A belt drive consist of two V- belts in parallel, on grooved pulleys of the same
size. The angle of the groove is 30. The cross - section area of each belt is 750 mm
and u is 0.12. The density of the belt material is 1.2 Mg/m and the maximum safe
stress in the material is 7 MN/m. Answer the following questions
1- The centrifugal tension in belts is .
(a) increases power transmitted
(b) decreases power transmitted
(c) have no effect on power transmitted
(d) increases power transmitted up to a certain speed and then decreases
2- The power that can be transmitted between pulleys of 300 mm diameter
rotating at 1500 r.p.m is ..
3- The shaft speed in r.p.m at which the power transmitted would be a maximum
4- When two pulleys are connected by means of an open belt drive, then both the
pulleys will rotate is opposite directions. (true or falls)
5- The length of V- belt drive are usually used for ..
(a) long drives (b) short drives (c) long and short drives (d) none of these.

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