Practice Determining Available Power - 3.1 | Overview 72 | Construction Engineering & Management - Vol 1
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Knowledge

3.1 - Determining Available Power

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Convert 50,000 kg to tons.

💡 Hint: Recall that 1 ton equals 1000 kg.

Question 2

Easy

What is the rolling resistance for a machine weighing 50 tons with a rolling resistance of 30 kg per ton?

💡 Hint: Multiply the weight in tons by the rolling resistance kg per ton.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the rolling resistance for a machine weighing 50 tons with a rolling resistance of 28 kg/ton?

  • 1400 kg
  • 1800 kg
  • 3200 kg

💡 Hint: Convert tons to kg for calculation.

Question 2

True or False: Usable power is the total power before accounting for resistance.

  • True
  • False

💡 Hint: Think about how power is used in moving machinery.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A 50-ton truck encounters a rolling resistance of 25 kg per ton and a 8% grade leading to additional grade resistance. Calculate the total resistance faced by the truck.

💡 Hint: Break down the problem into rolling and grade resistance calculations.

Question 2

A tractor weighs 12 tons with a rolling resistance of 50 kg per ton. On a flat surface, it operates at an available power of 6000 kg. If it encounters a 3% slope, how much power can it still use for work?

💡 Hint: First compute rolling resistance, then grade resistance, and finally subtract from available power.

Challenge and get performance evaluation