Question 112Motor Plants - Assistant Engineer70% to pass
Which of the indicator diagrams illustrated indicates the condition that should be corrected by retarding the timing, and the fitting of thicker shims to the connecting rod? Illustration MO-0029
AI Explanation
The correct answer is D.
The indicator diagram shown in illustration MO-0029, option D, indicates the condition that should be corrected by retarding the timing and the fitting of thicker shims to the connecting rod. This is because the diagram shows a late closing of the exhaust valve, which can cause increased compression pressure and temperature, leading to reduced engine efficiency and potential engine damage. Retarding the timing and increasing the shim thickness can help correct this issue by adjusting the valve timing and reducing the compression ratio.
The other options, A, B, and C, do not represent the specific condition that requires the corrective actions mentioned in the question.
Related Questions
#110 Which of the indicator diagrams illustrated depicts the condition that should be corrected by retarding only the timing? Illustration MO-0029 #111 In diesel engines designed with a crosshead, the motion of the piston rod can be described as_______________. #113 In a large slow-speed propulsion diesel engine, the side thrust on the crosshead is the direct result of _______________.#114 While underway, which of the following would be the FIRST step in reversing a direct reversing large, slow-speed, main propulsion, diesel engine? #115 In a large slow-speed propulsion diesel engine, the force applied to the piston is_______________.