Question 381Motor Plants - Assistant Engineer70% to pass
The power consumed during the scavenging process of a diesel engine is known as the_______________.
AI Explanation
The correct answer is D) pumping loss.
The power consumed during the scavenging process of a diesel engine is known as the pumping loss. Pumping loss refers to the power required to move the air/fuel mixture through the engine's intake and exhaust systems, which includes the work done to overcome the resistance and pressure drops in these systems. This power consumption is part of the overall mechanical losses in the engine.
The other answer choices are incorrect because they refer to different types of losses in a diesel engine. Compression loss is related to the work done to compress the air/fuel mixture, valve loss is related to the resistance caused by the opening and closing of the valves, and back pressure loss is related to the resistance in the exhaust system.
Related Questions
#379 The diesel engine shown in the illustration, is provided with an auxiliary blower to_______________. Illustration MO-0003 #380 A loop or cross scavenged engine utilizes the motion of its pistons and a turbocharger to provide scavenging air. Which of the listed mechanical designs prevents the air under the pistons from being pumped back through the scavenge ports during the piston power stroke? #382 During the valve overlap period, the exhaust pressure of a turbocharged, four-stroke cycle diesel engine must be less than the intake manifold pressure to ensure_______________. #383 Air scavenging of the cylinder shown in the illustration begins between figures_______________. Illustration MO-0025 #384 Large, two-stroke cycle, main propulsion, diesel engine cylinders can be successfully pressure charged during normal operation, by using the _______________.