The working cycle of a four-stroke diesel engine consists of four events:（） (1) compression (2) expansion (3) exhaust (4) suctionThe correct sequence is

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• The purpose of the skirt or trunk in four-stroke cycle engines is to act in a similar manner to a （）.

  A . crosshead B . crown C . piston rod D . connecting rod

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• The intake ports of a two-strike/cycle diesel engine are opened and closed by the action of the （）

  A . camshaft B . piston movement C . exhaust valves D . vertical drive

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• In the cylinder head of a two-stroke/cycle diesel engine, valves are used for（）

  A . air intake B . a fuel outlet C . cooling water inlets D . exhausting combustion ga

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• The process of scavenging a two-stroke/cycle diesel engine serves to（）

  A . improve fuel flow volume B . cool the exhaust valves C . reduce the intake air charge density D . increase the temperature of exhaust gase

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• A Windows Azure .NET 4 application is experiencing a runtime issue.  One of the roles cycles through initializing， working， and stopping.  You need to recommend an approach for identifying the problem.  What should you recommend？（）

  A .  Attach the remote debugger to the application. B .  Enable IntelliTrace and redeploy the application. C .  View the logs in the Windows Azure Diagnostic tables. D .  Use the Event Viewer to remotely connect to the role.

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• A two-stroke/cycle diesel engine requires less starting air than a four-stroke/cycle diesel engine, of equal displacement, because the two-stroke/cycle diesel engine（）

  A . has little or no internal friction B . has a lower effective compression ratio C . operates with scavenge air under a positive pressure D . operates without energy absorbing intake and exhaust stroke

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• If the turbocharger of a four-stroke/cycle diesel engine fails to operate, which of the following statements best describes the probable effect?（）

  A . Intake manifold pressure will be high B . Intake manifold pressure will be unaffected C . Exhaust temperatures will be high D . Exhaust temperatures will be low

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• Which of the listed components is considered to separate the high pressure side of a refrigeration cycle from the low pressure side of the cycle?（）

  A . The condenser and the expansion valve B . The king valve and the solenoid valve C . The compressor and the expansion valve D . The condenser and the solenoid valve

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• The operation between two fuel injections is called a working cycle, which consists of a fixed sequence of eventsWhat does "which" mean in this sentence?（）

  A . a working cycle B . the operation C . two fuel injections D . event

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• In a four-stroke/cycle diesel engine, after the completion of the power stroke, the piston will move（）

  A . up and draw in a fresh air charge B . down to burn off fuel C . down to compress the fuel air charge D . up and force out the exhaust gase

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• The two strokes of a two-stroke/cycle diesel engine are （）

  A . power and intake B . intake and exhaust C . exhaust and compression D . compression and power

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• During the power stroke of a four-stroke/cycle diesel engine, most of the side thrust of a trunk-type piston is absorbed by the（）

  A . piston skirt B . pinion C . crosshead D . compression ring

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• A rotary current sets through all directions of the compass. The time it takes to complete one of these cycles is approximately（）.

  A . 3 hours B . 6 1/2 hours C . 12 1/2 hours D . 25 hour

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• What determines the number of events occurring in a cycle of operation in an internal combustion engine?（）

  A . Crankshaft revolution B . Type of engine (diesel or gasoline) C . Distance a piston travels during a stroke D . Number of pisto

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• Gas exchange, which is a basic part of the cycle of an internal combustion engine, is（）

  A . the supply of normal air and removal of compressed air B . the supply of fuel oil and combustion of the atomized oil C . the supply of fresh air and removal of exhaust gases D . the supply of fresh air and removal of the extra heat

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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 （）

  A . insufficient lubrication B . improper piston cooling C . blow-by D . overload operatio

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• In a compression refrigeration cycle, the temperature of the liquid refrigerant experiences its greatest decrease in the（）.

  A . evaporator B . compressor C . expansion valve D . condenser

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• The time required for a lighted aid to complete a full cycle of light changes is listed in the Light List as the（）.

  A . Set B . Frequency C . Period D . Functio

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• How does combustion air enter the cylinder of a two-cycle diesel engine?（）

  A . Cylinder head valves B . Ports C . Turbo chargers D . Bleeder valve

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• The life cycle of frogs is a typical example of informational processes.

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• The most famous cycle of English ballads centers on the stories about a legendary outlaw called _____.

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• Which stage of the product life cycle has a stable sales level?

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• In four-stroke diesel engine, the cycle of events is completed in （) of crankshaft.A.one

  In four-stroke diesel engine, the cycle of events is completed in () of crankshaft. A.one revolution B.two revolutions C.four revolutions

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• The accounting cycle refers to the sequence of steps in preparing the work sheet.

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