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A local train uses moter and traiter coaches in the ratio of 1:2. The weight of motor coach is 40 ton and that of trailer is 35 ton. All the wheels in motercoach use driving wheels. The train resistence is 30 N/Ton. Effective rotating mass is 10% of the dead weight. If the coefficient of adhesions 0-2. Calculate the maximum train acceleration on a level track.?
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A local train uses moter and traiter coaches in the ratio of 1:2. The ...
Problem Statement: Calculate the maximum train acceleration on a level track given the weight ratio of motor and trailer coaches, weight of each coach, resistance, effective rotating mass, and coefficient of adhesion.

Given:

  • Weight ratio of motor and trailer coaches = 1:2

  • Weight of motor coach = 40 ton

  • Weight of trailer coach = 35 ton

  • Resistance = 30 N/Ton

  • Effective rotating mass = 10% of dead weight

  • Coefficient of adhesion = 0.2



Solution:

Step 1: Calculate total weight of train

  • Total weight of train = Weight of motor coach + 2 x Weight of trailer coach

  • Total weight of train = 40 + 2 x 35

  • Total weight of train = 110 ton



Step 2: Calculate total resistance on train

  • Total resistance on train = Resistance x Total weight of train

  • Total resistance on train = 30 x 110

  • Total resistance on train = 3300 N



Step 3: Calculate tractive force available

  • Tractive force available = Total weight of train x Coefficient of adhesion

  • Tractive force available = 110 x 0.2

  • Tractive force available = 22 N



Step 4: Calculate effective mass of train

  • Effective mass of train = Total weight of train + Effective rotating mass

  • Effective mass of train = 110 + 0.1 x 110

  • Effective mass of train = 121 ton



Step 5: Calculate maximum acceleration

  • Maximum acceleration = Tractive force available / Effective mass of train - Total resistance on train / Effective mass of train

  • Maximum acceleration = 22 / 121 - 3300 / 121000

  • Maximum acceleration = 0.181 m/s^2



Conclusion: The maximum train acceleration on a level track is 0.181 m/s^2.
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A local train uses moter and traiter coaches in the ratio of 1:2. The weight of motor coach is 40 ton and that of trailer is 35 ton. All the wheels in motercoach use driving wheels. The train resistence is 30 N/Ton. Effective rotating mass is 10% of the dead weight. If the coefficient of adhesions 0-2. Calculate the maximum train acceleration on a level track.?
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A local train uses moter and traiter coaches in the ratio of 1:2. The weight of motor coach is 40 ton and that of trailer is 35 ton. All the wheels in motercoach use driving wheels. The train resistence is 30 N/Ton. Effective rotating mass is 10% of the dead weight. If the coefficient of adhesions 0-2. Calculate the maximum train acceleration on a level track.? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about A local train uses moter and traiter coaches in the ratio of 1:2. The weight of motor coach is 40 ton and that of trailer is 35 ton. All the wheels in motercoach use driving wheels. The train resistence is 30 N/Ton. Effective rotating mass is 10% of the dead weight. If the coefficient of adhesions 0-2. Calculate the maximum train acceleration on a level track.? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A local train uses moter and traiter coaches in the ratio of 1:2. The weight of motor coach is 40 ton and that of trailer is 35 ton. All the wheels in motercoach use driving wheels. The train resistence is 30 N/Ton. Effective rotating mass is 10% of the dead weight. If the coefficient of adhesions 0-2. Calculate the maximum train acceleration on a level track.?.
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