Question 46Motor Plants - Assistant Engineer70% to pass
The minimum fuel oil delivery pressure required for efficient injection depends primarily on the_______________.
AI Explanation
The correct answer is B) maximum pressure in the engine cylinders during injection.
The minimum fuel oil delivery pressure required for efficient injection primarily depends on the maximum pressure in the engine cylinders during the injection period. This is because the fuel oil needs to be injected against the high cylinder pressure in order to atomize the fuel properly and achieve efficient combustion. The other factors, such as air turbulence, quantity of fuel, and injection delay period, are also important, but the cylinder pressure is the primary determinant of the required fuel delivery pressure.
The other answer choices are incorrect because they do not directly relate to the primary factor that determines the minimum fuel delivery pressure for efficient injection.
Related Questions
#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 #47 Fuel injection systems are designed to primarily meter fuel, atomize fuel, and_______________.#48 The degree of fuel atomization in a diesel engine cylinder depends primarily on_______________. #49 The purpose of the delivery check valve used in a diesel fuel injection jerk pump is to _______________.