A seven cylinder, 2-stroke/cycle, single...

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Question 1 of 205eccefa1bacbc34ba4d47422

A seven cylinder, 2-stroke/cycle, single acting diesel engine has a 750 mm bore and a 2000 mm stroke. What indicated power will be developed if the average mean effective pressure is 14.8 kg/cm² at a speed of 96 RPM?

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🔍 Key Concepts

• Formula for indicated power of a 2‑stroke single-acting diesel engine • Correct unit conversions: bore and stroke from mm to meters, mean effective pressure from kg/cm² to kN/m² (or N/m²) • Use of number of power strokes per minute for a 2‑stroke vs 4‑stroke engine

💭 Think About

• How does the indicated power formula change (if at all) between a 2‑stroke and a 4‑stroke engine? What does that mean for the number of power strokes per minute? • Once you convert bore and stroke to meters, what is the swept volume of one cylinder, and how do you scale that to all cylinders? • After computing indicated power in kW, which answer choice is in the same order of magnitude as your result?

✅ Before You Answer

• Confirm you are using RPM × number of cylinders correctly for a 2‑stroke engine (every stroke is a power stroke). • Check that all dimensions are in meters before computing volume and that pressure is in kN/m² or N/m² before using it in the power formula. • Verify that your final power is expressed in kW, not W or metric horsepower, before comparing with the choices.

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