Practice Estimating Hourly Cost of Fuel - 3 | 11. Fuel Consumption Rates for Different Engine Types | Construction Engineering & Management - Vol 1
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Knowledge

3 - Estimating Hourly Cost of Fuel

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the fuel consumption rate for a gasoline engine in gallons per horsepower hour?

💡 Hint: Recall the standard value for gasoline engines.

Question 2

Easy

Define what an operating factor is in relation to fuel estimation.

💡 Hint: It's related to the efficiency of the machine's operation.

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 fuel consumption rate for diesel engines?

  • 0.04 gallons per horsepower hour
  • 0.06 gallons per horsepower hour
  • 0.02 gallons per horsepower hour

💡 Hint: Remember the specific rates discussed.

Question 2

True or False: Fuel consumption rates should always remain constant, regardless of project conditions.

  • True
  • False

💡 Hint: Consider why adjustments are necessary.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A project requires a twin-engine scraper operating at 450 horsepower, but it often faces unfavorable conditions that increase fuel consumption. If the fuel consumption factor rises to 0.15 liters per horsepower hour, calculate the new hourly fuel cost at Rs 70 per liter.

💡 Hint: Don’t forget to multiply the new consumption factor by horsepower and then the local price.

Question 2

Consider two projects with different site conditions: one is extremely dirty leading to higher wear on equipment. If the operating factor is 0.5 for the clean site and 0.3 for the dirty site, write a brief about how this impacts overall fuel consumption costs.

💡 Hint: Think about how site conditions affect operational efficiency.

Challenge and get performance evaluation