In large marine diesel engines cylinder oils usually contain additives formulated to impart the () to clean the rings and grooves.
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相似题目
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The main function of tie rods in the construction of large, low speed diesel engines is to().
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One method of constructing large marine diesel engines and reducing the total engine frame weight is through ().
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Large marine diesel engines of crosshead construction generally have two systems of lubrication: a total loss system feeding the () and a recirculation system lubricating the running gear and cooling the piston.
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Fresh water is used for the cooling of cylinder jackets and () of the marine diesel engine.
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Turbocharging of marine diesel engine is achieved by two distinct methods, () termed the constant pressure and the pulse system.
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The development of () has kept pace with the increasing demands made by the steady rise in power produced by modem marine diesels.
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One of the purposes for water cooling the exhaust manifold in marine diesel engine is to ()
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Cast iron pistons used in large propulsion diesel engines are constructed with ()
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A viscous damper, as used on a marine diesel, is a sealed precision built device which dampens the torsional vibrations in the ().
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The following preparations are essential for any () of marine diesel engine before it may be started.
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() providing lubricating films, oil used in marine diesel engines have to remove heat from oil cooled piston.
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Lubricating oil is supplied to the crank-pin bearings in a marine diesel engine by ().
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Exhaust valve openings in a diesel engine cylinder head are made as large as practical to ()
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In some modern large diesel engines, which of the following is used as the support for the main bearings?()
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In a large, low-speed diesel engine the clearance between the piston crown and cylinder head is found to be excessiveIn order to correct for this, you should()
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Modern marine diesel engines using mechanical fuel injection, operate on a combustion cycle which is()
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Generally speaking,the fuel injected into a marine diesel engine combustion chamber is ignited by().
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On a large diesel engine installation, crankshaft axial alignment is maintained by the ()
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The majority of medium speed and high speed marine diesel engines for main or auxiliary drive operate on the () cycle.
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Cylinders of marine diesel engines are normally cooled by ().
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Pistons of marine medium speed diesel engines may be made of () in order to keep the weight down for balancing purpose at high speed.
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While underway, which of the following would be the FIRST step in reversing a direct reversing large, low-speed, main propulsion, diesel engine?()
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All marine low-speed diesels are of what design?()
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The marine diesel engine is a type of diesel engine used on shipsThe _____ of its operation is not very difficult to understand.
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