The minimum speed an engine must attain before ignition can occur depends upon （）.

A、the type and size of the engine

B、the condition of the engine

C、ambient temperature

D、all of the above

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更多“The minimum speed an engine must attain before ignition can occur depends upon （）.”相关的问题

第1题

[单选题] One major disadvantage of a low-speed diesel as compared to a steam main-propulsion system is（）.

A、the extra weight required for the diesel reduction gearing B、a minimum speed for the engines that limits the minimum speed of the vessel C、the higher fuel consumption per SHP D、the low efficiency of the system when a controllable pitch propeller is used

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第2题

[] Which effect does speed through the water have on a vessel which is underway in shallow water （）.

A、A.A decrease in the speed results in a decrease in steering response and maneuverability B、B.An increase in speed results in the stern sucking down lower than the Bow C、C.An increase in speed results in the vessel rising on an even plane D、D.A decrease in speed results in the vessel sucking down on an even plane

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第3题

[单选题] You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast，the greatest safety margin from inshore dangers will result if what speed is used to determine（）.

A、Minimum speed estimate B、Maximum speed estimate C、Average speed estimate D、A running fix should not be used under these conditions

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第4题

[单选题] What is the recommended minimum speed at the edge of the cells in an 802.11g network for a good Cisco VoWLAN deployment?（）

A、11 Mb/s B、18 Mb/s C、24 Mb/s D、54 Mb/s

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第5题

[单选题] What are the minimum and maximum number of extent pools on an IBM System Storage DS8800 with 64 physical disks（）

A、the minimum is 1 and the maximum is 8 B、the minimum is 2 and the maximum is 8 C、the minimum is 2 and the maximum is 16 D、the minimum is 1 and the maximum is 64

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第6题

[单选题] What are minimum and maximum number of extent pools on an IBM System Storage DS8800 with 64 physical disks（）

A、the minimum is 1 and the maximum is 8 B、the minimum is 2 and the maximum is 8 C、the minimum is 2 and the maximum is 16 D、the minimum is 1 and the maximum is 64

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第7题

[单选题] Running an electric winch at slow speed over a long period of time causes（）.

A、the speed to be retarded by the friction brake B、a load to go downward at full speed C、the circuit breaker to turn off D、the resistors to overheat and eventually burn out

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第8题

[单选题] According to Regulations, a power driven auxiliary steering gear for a vessel capable of a 12 knot service speed, must be able to meet the rudder movement requirements at which of the minimum vessel speeds listed below?（）

A、6 knots B、7 knots C、9 knots D、12 knots

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第9题

[单选题] The term medium speed diesel engine is currently taken to mean an engine with an operating rotational speed of （） rpm.

A、below 300 B、above 1200 C、between 300 to 1200 D、below 1200

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