A four-cylinder gasoline engine has a cylinder diameter of 20 cm and a stroke of 40 cm. The cylinders run at a speed of 150 rpm. The engine is a four-stroke cycle with a mean effective pressure of 8 kg/cm². i. What is the area of the piston? ii. What is the length of stroke of the engine piston in meter? iii. What is the power stroke of the engine per cylinder? iv. What is the total power stroke of the engine? v. What is the indicated horsepower? vii. If the engine mechanical efficiency is 80%, what is the brake horsepower of the engine?

A four-cylinder gasoline engine has a cylinder diameter of 20 cm and a stroke of 40 cm. The cylinders run at a speed of 150 rpm. The engine is a four-stroke cycle with a mean effective pressure of 8 kg/cm². i. What is the area of the piston? ii. What is the length of stroke of the engine piston in meter? iii. What is the power stroke of the engine per cylinder? iv. What is the total power stroke of the engine? v. What is the indicated horsepower? vii. If the engine mechanical efficiency is 80%, what is the brake horsepower of the engine?

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter3: Refrigeration And Refrigerants

Section: Chapter Questions

Problem 19RQ: What is adiabatic expansion?

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