Question 41Motor Plants - Assistant Engineer70% to pass
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing work. This is known as_______________.
AI Explanation
You are correct, the answer is B) brake horsepower.
Brake horsepower (BHP) is the most important factor in engine performance because it represents the actual power output at the end of the crankshaft that is available for doing work. It takes into account the power losses due to friction, pumping, and other internal engine components, unlike indicated horsepower which does not account for these losses.
The other options are incorrect because: A) indicated horsepower does not account for power losses, C) net horsepower is a term used to describe the power output after accessories are factored in, and D) friction horsepower represents only the power lost to friction, not the actual usable power output.
Related Questions
#39 Which of the following relationships exist between the temperature developed in a combustion space, and the compression ratio of the engine? #40 The ratio of the brake horsepower to the indicated horsepower of a diesel engine is its_______________. #42 The average pressure exerted on a piston during each power stroke is termed_______________.#43 Most practical diesel engines today operate on a cycle which is a combination of the Diesel and Otto cycles. In this process, compression ignition _______________.#44 The pressure-volume diagrams illustrated are of four internal combustion engine cycles. Which one represents the theoretical diesel cycle? Illustration MO-0102