Question 43Motor Plants - Assistant Engineer70% to pass
Most practical diesel engines today operate on a cycle which is a combination of the Diesel and Otto cycles. In this process, compression ignition _______________.
AI Explanation
You are correct, the answer A) begins on a constant volume basis is the correct answer.
In a diesel engine, the compression ignition process begins on a constant volume basis. This means that during the compression stroke, the volume of the cylinder remains constant as the piston compresses the air-fuel mixture, causing the pressure and temperature to rise. This compression ignition then initiates the combustion process, which is a combination of the Diesel and Otto cycles.
The other answer choices are incorrect because B) compression ignition does not begin on a constant pressure basis, C) the compression ignition process ends on a constant volume basis, and D) the compression ignition process both begins and ends on a constant volume basis, which is not accurate.
Related Questions
#41 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_______________.#42 The average pressure exerted on a piston during each power stroke is termed_______________.#44 The pressure-volume diagrams illustrated are of four internal combustion engine cycles. Which one represents the theoretical diesel cycle? Illustration MO-0102 #45 If point #1 in the diagram shown is the beginning of gas compression, which of the cycles listed is being illustrated? Illustration MO-0036 #46 The minimum fuel oil delivery pressure required for efficient injection depends primarily on the_______________.