Diesel engine piston ring blow-by is usually caused by excessive ring clearance at the ring()
相似题目
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The function of the piston compression rings used in a diesel engine is to ()
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Excessive piston ring wear in a diesel engine will cause()
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A diesel engine piston ring face is in direct contact with the ().
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In a diesel engine, when refitting piston rings you should () Ⅰ.check the ring gap at the smallest diameter of the cylinder Ⅱ. Remove carbon from the ring groove
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In a medium speed diesel engine, a trunk type piston may be cooled by() Ⅰ.oil circulation though passages in the piston crown Ⅱ.heat transfer through piston rings and liner wall
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The loss of the diesel engine cylinder air charge through leaky valves, piston rings, worn or scored liners, would be indicated by which of the following sets of conditions?()
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Which of the following statements is true regarding the installation of piston rings on two-stroke/cycle, diesel engines as compared to four-stroke/cycle, diesel engines?()
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The piston ring grooves for a standard engine are ()
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Which of the following characteristic of lube oil helps to reduce the amount of deposits in the piston ring belt during the combustion process in a diesel engine?()
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Trunk type diesel engine pistons are effectively cooled when heat is()
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To function properly, oil control rings used on a diesel engine piston must distribute sufficient oil to all parts of the cylinder wall and must also().
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In a diesel engine, when installing new piston rings it is important to check() Ⅰ.ring gap clearance Ⅱ.side clearance
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A condition contributing to diesel engine piston rings sticking in the ring grooves, is insufficient ring clearance at the ring() Ⅰ.gap Ⅱ.side
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The primary purpose of oil control rings on a diesel piston is to()
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In a diesel engine, excessive cylinder liner wear will cause () (1) increased blow-by (2) wear between the piston ring and groove
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Improperly fitted piston rings in a diesel engine can cause()
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Incomplete combustion in a running diesel engine can cause piston rings to become stuck as a result of ()
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When installing rings on a diesel engine piston, you should check the ring()
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Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?()
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A diesel engine piston crown can crack from ()
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In the two stroke diesel engine, it is designed so that the oil impingement is timed to proceed only on the piston ring belt during()
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Insufficient end clearance on newly fitted piston rings in a diesel enginewill cause the rings to()
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If the compression rings on a diesel engine piston become stuck in the ring groove, the cause may be due to()
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When inspecting piston rings through the ports of a two-stroke/cycle diesel engine, black areas on the sealing surfaces are the result of ()
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