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A single plate clutch consists of one pair of contacting surface. It is used for an engine, developing maximum torque of 200 Nm. Assume factor of safety as 2 at full engine torque. What is the inner diameter of friction lining, if the ratio of outer diameter to inner diameter of lining is 2? Permissible pressure intensity is 350 kPa and coefficient of friction is 0.3. (Assume uniform wear theory)
- a)148 mm
- b)94 mm
- c)167 mm
- d)174 mm
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
A single plate clutch consists of one pair of contacting surface. It ...
Given;Mt = 200 Nm, FOS = 2,μ = 0.3,
Pa = 350 kPa
d = 0.14 8m = 148 mm
Most Upvoted Answer
A single plate clutch consists of one pair of contacting surface. It ...
Given data:
Maximum torque, T = 200 Nm
Factor of safety, F.S. = 2
Permissible pressure intensity, P = 350 kPa
Coefficient of friction, μ = 0.3
Ratio of outer diameter to inner diameter of lining, Ro/Ri = 2
To calculate:
Inner diameter of friction lining, Ri
Solution:
1. Calculation of torque capacity of clutch
The torque capacity of clutch can be given as:
T = (π/2) × P × μ × (Ro^2 – Ri^2)
On substituting the given values, we get:
200 = (π/2) × 350 × 0.3 × (2Ro^2 – Ri^2)
2Ro^2 – Ri^2 = 1954.55
2. Calculation of outer diameter of friction lining
Given, Ro/Ri = 2
Hence, Ro = 2Ri
Substituting this value in equation (1), we get:
2(2Ri)^2 – Ri^2 = 1954.55
7Ri^2 = 1954.55
Ri = 17.79 cm = 177.9 mm
3. Calculation of inner diameter of friction lining with factor of safety
The inner diameter of friction lining with factor of safety can be given as:
Ri = Ro/√(F.S.)
Substituting the given values, we get:
Ri = 2Ro/√(F.S.)
Ri = 2 × 177.9/√2
Ri = 148 mm
Therefore, the inner diameter of friction lining is 148 mm.
Maximum torque, T = 200 Nm
Factor of safety, F.S. = 2
Permissible pressure intensity, P = 350 kPa
Coefficient of friction, μ = 0.3
Ratio of outer diameter to inner diameter of lining, Ro/Ri = 2
To calculate:
Inner diameter of friction lining, Ri
Solution:
1. Calculation of torque capacity of clutch
The torque capacity of clutch can be given as:
T = (π/2) × P × μ × (Ro^2 – Ri^2)
On substituting the given values, we get:
200 = (π/2) × 350 × 0.3 × (2Ro^2 – Ri^2)
2Ro^2 – Ri^2 = 1954.55
2. Calculation of outer diameter of friction lining
Given, Ro/Ri = 2
Hence, Ro = 2Ri
Substituting this value in equation (1), we get:
2(2Ri)^2 – Ri^2 = 1954.55
7Ri^2 = 1954.55
Ri = 17.79 cm = 177.9 mm
3. Calculation of inner diameter of friction lining with factor of safety
The inner diameter of friction lining with factor of safety can be given as:
Ri = Ro/√(F.S.)
Substituting the given values, we get:
Ri = 2Ro/√(F.S.)
Ri = 2 × 177.9/√2
Ri = 148 mm
Therefore, the inner diameter of friction lining is 148 mm.
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A single plate clutch consists of one pair of contacting surface. It is used for an engine, developing maximum torque of 200 Nm. Assume factor of safety as 2 at full engine torque. What is the inner diameter of friction lining, if the ratio of outer diameter to inner diameter of lining is 2? Permissible pressure intensity is 350 kPa and coefficient of friction is 0.3. (Assume uniform wear theory)a) 148 mmb) 94 mmc) 167 mmd) 174 mmCorrect answer is option 'A'. Can you explain this answer?
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A single plate clutch consists of one pair of contacting surface. It is used for an engine, developing maximum torque of 200 Nm. Assume factor of safety as 2 at full engine torque. What is the inner diameter of friction lining, if the ratio of outer diameter to inner diameter of lining is 2? Permissible pressure intensity is 350 kPa and coefficient of friction is 0.3. (Assume uniform wear theory)a) 148 mmb) 94 mmc) 167 mmd) 174 mmCorrect answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about A single plate clutch consists of one pair of contacting surface. It is used for an engine, developing maximum torque of 200 Nm. Assume factor of safety as 2 at full engine torque. What is the inner diameter of friction lining, if the ratio of outer diameter to inner diameter of lining is 2? Permissible pressure intensity is 350 kPa and coefficient of friction is 0.3. (Assume uniform wear theory)a) 148 mmb) 94 mmc) 167 mmd) 174 mmCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A single plate clutch consists of one pair of contacting surface. It is used for an engine, developing maximum torque of 200 Nm. Assume factor of safety as 2 at full engine torque. What is the inner diameter of friction lining, if the ratio of outer diameter to inner diameter of lining is 2? Permissible pressure intensity is 350 kPa and coefficient of friction is 0.3. (Assume uniform wear theory)a) 148 mmb) 94 mmc) 167 mmd) 174 mmCorrect answer is option 'A'. Can you explain this answer?.
A single plate clutch consists of one pair of contacting surface. It is used for an engine, developing maximum torque of 200 Nm. Assume factor of safety as 2 at full engine torque. What is the inner diameter of friction lining, if the ratio of outer diameter to inner diameter of lining is 2? Permissible pressure intensity is 350 kPa and coefficient of friction is 0.3. (Assume uniform wear theory)a) 148 mmb) 94 mmc) 167 mmd) 174 mmCorrect answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about A single plate clutch consists of one pair of contacting surface. It is used for an engine, developing maximum torque of 200 Nm. Assume factor of safety as 2 at full engine torque. What is the inner diameter of friction lining, if the ratio of outer diameter to inner diameter of lining is 2? Permissible pressure intensity is 350 kPa and coefficient of friction is 0.3. (Assume uniform wear theory)a) 148 mmb) 94 mmc) 167 mmd) 174 mmCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A single plate clutch consists of one pair of contacting surface. It is used for an engine, developing maximum torque of 200 Nm. Assume factor of safety as 2 at full engine torque. What is the inner diameter of friction lining, if the ratio of outer diameter to inner diameter of lining is 2? Permissible pressure intensity is 350 kPa and coefficient of friction is 0.3. (Assume uniform wear theory)a) 148 mmb) 94 mmc) 167 mmd) 174 mmCorrect answer is option 'A'. Can you explain this answer?.
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