單項(xiàng)選擇題Which of the following operating procedures should be carried out immediately after any diesel engine is started?()

A.Take all exhaust temperature reading
B.Check the sump oil level
C.Verify proper lube oil pressure
D.All of the above


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1.單項(xiàng)選擇題Which of the following conditions would cause carbon deposits to form in the piston ring belt of a diesel engine?()

A.faulty combustion
B.excessive ring temperature
C.over lubrication
D.all of the above

2.單項(xiàng)選擇題The high air velocity leaving the compressor of an exhaust gas turbocharger is converted to pressure in the ()

A.inlet nozzle ring
B.turbine wheel blade
C.diffuser passages
D.inlet vol

3.單項(xiàng)選擇題When attempting to restart a warm high-speed engine, which of the following reactions can you expect?()

A.Excessive fuel
B.Higher than normal temperatures for star up
C.Longer starting periods
D.Higher than normal lube oil pressure

4.單項(xiàng)選擇題An increase in the load on a turbocharged diesel engine operating at constant speed will result in an increase in ()

A.exhaust
B.air box pressure
C.brake main effective pressure
D.all of the above

5.單項(xiàng)選擇題Which of the following procedures should be carried out to permit the use of a crosshead engine with an inoperable after-cooler?()

A.Bypass the after-cooler to operate at speed
B.Run at reduced speed until the cooler can be repaired or renewed
C.Switch to diesel fuel and run at full speed
D.Nothing need to be done due to the low heating value of heavy fuel

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The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.

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()connectors hold best if a wire is accidentally pulled or a connection becomes loose.

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The ISPS Code consists of a mandatory section-Part A, which shows()

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() is not installed on the main switchboar.

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Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()

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